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CVE-2023-47114

Ethyca Fides HTML Injection Vulnerability in HTML-Formatted DSR Packages

4.3 MediumFix available

Fides is an open-source privacy engineering platform for managing the fulfillment of data privacy requests in your runtime environment, and the enforcement of privacy regulations in your code. The Fides web application allows data subject users to request access to their personal data. If the request is approved by the data controller user operating the Fides web application, the data subject's personal data can then retrieved from connected systems and data stores before being bundled together as a data subject access request package for the data subject to download. Supported data formats for the package include json and csv, but the most commonly used format is a series of HTML files compressed in a ZIP file. Once downloaded and unzipped, the data subject user can browse the HTML files on their local machine. It was identified that there was no validation of input coming from e.g. the connected systems and data stores which is later reflected in the downloaded data. This can result in an HTML injection that can be abused e.g. for phishing attacks or malicious JavaScript code execution, but only in the context of the data subject's browser accessing a HTML page using the file:// protocol. Exploitation is limited to rogue Admin UI users, malicious connected system / data store users, and the data subject user if tricked via social engineering into submitting malicious data themselves. This vulnerability has been patched in version 2.23.3.

Attack profile

How easy it is to exploit

Attack vector
Network
Complexity
Low
Privileges needed
High
User interaction
Required

What an attacker can affect

Confidentiality
Low
Integrity
Low
Availability
Low

Exploit likelihood

0.61%Up 0.6 points since Nov 9, 2023
90%50%10%1%

What each source reports

CVE List Score used 4.3

Ethyca Fides HTML Injection Vulnerability in HTML-Formatted DSR Packages

Fides is an open-source privacy engineering platform for managing the fulfillment of data privacy requests in your runtime environment, and the enforcement of privacy regulations in your code. The Fides web application allows data subject users to request access to their personal data. If the request is approved by the data controller user operating the Fides web application, the data subject's personal data can then retrieved from connected systems and data stores before being bundled together as a data subject access request package for the data subject to download. Supported data formats for the package include json and csv, but the most commonly used format is a series of HTML files compressed in a ZIP file. Once downloaded and unzipped, the data subject user can browse the HTML files on their local machine. It was identified that there was no validation of input coming from e.g. the connected systems and data stores which is later reflected in the downloaded data. This can result in an HTML injection that can be abused e.g. for phishing attacks or malicious JavaScript code execution, but only in the context of the data subject's browser accessing a HTML page using the file:// protocol. Exploitation is limited to rogue Admin UI users, malicious connected system / data store users, and the data subject user if tricked via social engineering into submitting malicious data themselves. This vulnerability has been patched in version 2.23.3.

Record
CVE-2023-47114
CVSS 3.1
4.3 MediumCVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:L/I:L/A:L
Weakness
CWE-79
Updated
2026-11-02
EUVDEUVD-2023-2866 4.3

Fides is an open-source privacy engineering platform for managing the fulfillment of data privacy requests in your runtime environment, and the enforcement of privacy regulations in your code. The Fides web application allows data subject users to request access to their personal data. If the request is approved by the data controller user operating the Fides web application, the data subject's personal data can then retrieved from connected systems and data stores before being bundled together as a data subject access request package for the data subject to download. Supported data formats for the package include json and csv, but the most commonly used format is a series of HTML files compressed in a ZIP file. Once downloaded and unzipped, the data subject user can browse the HTML files on their local machine. It was identified that there was no validation of input coming from e.g. the connected systems and data stores which is later reflected in the downloaded data. This can result in an HTML injection that can be abused e.g. for phishing attacks or malicious JavaScript code execution, but only in the context of the data subject's browser accessing a HTML page using the file:// protocol. Exploitation is limited to rogue Admin UI users, malicious connected system / data store users, and the data subject user if tricked via social engineering into submitting malicious data themselves. This vulnerability has been patched in version 2.23.3.

Record
EUVD-2023-2866
CVSS 3.1
4.3 MediumCVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:L/I:L/A:L
Updated
2026-11-03
GitHub AdvisoriesGHSA-3vpf-mcj7-5h38 4.3

Ethyca Fides HTML Injection Vulnerability in HTML-Formatted DSR Packages

Impact

The Fides web application allows data subject users to request access to their personal data. If the request is approved by the data controller user operating the Fides web application, the data subject's personal data can then retrieved from connected systems and data stores before being bundled together as a data subject access request package for the data subject to download. Supported data formats for the package include json and csv, but the most commonly used format is a series of HTML files compressed in a ZIP file. Once downloaded and unzipped, the data subject user can browse the HTML files on their local machine.

It was identified that there was no validation of input coming from e.g. the connected systems and data stores which is later reflected in the downloaded data. This can result in an HTML injection that can be abused e.g. for phishing attacks or malicious JavaScript code execution, but only in the context of the data subject's browser accessing a HTML page using the file:// protocol.

Exploitation is limited to rogue Admin UI users, malicious connected system / data store users, and the data subject user if tricked via social engineering into submitting malicious data themselves.

Patches

The vulnerability has been patched in Fides version TBC. Users are advised to upgrade to this version or later to secure their systems against this threat.

Workarounds

Only Fides deployments which have been configured to use html as the package format in the storage destination are vulnerable. Using json or csv instead eliminates this vulnerability.

Record
GHSA-3vpf-mcj7-5h38
CVSS 3.1
4.3 MediumCVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:L/I:L/A:L
Weakness
CWE-79
Updated
2026-11-02
NVD 4.3

Fides is an open-source privacy engineering platform for managing the fulfillment of data privacy requests in your runtime environment, and the enforcement of privacy regulations in your code. The Fides web application allows data subject users to request access to their personal data. If the request is approved by the data controller user operating the Fides web application, the data subject's personal data can then retrieved from connected systems and data stores before being bundled together as a data subject access request package for the data subject to download. Supported data formats for the package include json and csv, but the most commonly used format is a series of HTML files compressed in a ZIP file. Once downloaded and unzipped, the data subject user can browse the HTML files on their local machine. It was identified that there was no validation of input coming from e.g. the connected systems and data stores which is later reflected in the downloaded data. This can result in an HTML injection that can be abused e.g. for phishing attacks or malicious JavaScript code execution, but only in the context of the data subject's browser accessing a HTML page using the file:// protocol. Exploitation is limited to rogue Admin UI users, malicious connected system / data store users, and the data subject user if tricked via social engineering into submitting malicious data themselves. This vulnerability has been patched in version 2.23.3.

Record
CVE-2023-47114
CVSS 3.1
4.3 MediumCVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:L/I:L/A:L
CVSS 3.1
6.1 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Weakness
CWE-79
Updated
2026-11-02
OSV 4.3

Ethyca Fides HTML Injection Vulnerability in HTML-Formatted DSR Packages

Fides is an open-source privacy engineering platform for managing the fulfillment of data privacy requests in your runtime environment, and the enforcement of privacy regulations in your code. The Fides web application allows data subject users to request access to their personal data. If the request is approved by the data controller user operating the Fides web application, the data subject's personal data can then retrieved from connected systems and data stores before being bundled together as a data subject access request package for the data subject to download. Supported data formats for the package include json and csv, but the most commonly used format is a series of HTML files compressed in a ZIP file. Once downloaded and unzipped, the data subject user can browse the HTML files on their local machine. It was identified that there was no validation of input coming from e.g. the connected systems and data stores which is later reflected in the downloaded data. This can result in an HTML injection that can be abused e.g. for phishing attacks or malicious JavaScript code execution, but only in the context of the data subject's browser accessing a HTML page using the file:// protocol. Exploitation is limited to rogue Admin UI users, malicious connected system / data store users, and the data subject user if tricked via social engineering into submitting malicious data themselves. This vulnerability has been patched in version 2.23.3.

Record
CVE-2023-47114
CVSS 3.1
4.3 MediumCVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:L/I:L/A:L
Weakness
CWE-79
Updated
2026-11-02
OSVGHSA-3vpf-mcj7-5h38 4.3

Ethyca Fides HTML Injection Vulnerability in HTML-Formatted DSR Packages

Impact

The Fides web application allows data subject users to request access to their personal data. If the request is approved by the data controller user operating the Fides web application, the data subject's personal data can then retrieved from connected systems and data stores before being bundled together as a data subject access request package for the data subject to download. Supported data formats for the package include json and csv, but the most commonly used format is a series of HTML files compressed in a ZIP file. Once downloaded and unzipped, the data subject user can browse the HTML files on their local machine.

It was identified that there was no validation of input coming from e.g. the connected systems and data stores which is later reflected in the downloaded data. This can result in an HTML injection that can be abused e.g. for phishing attacks or malicious JavaScript code execution, but only in the context of the data subject's browser accessing a HTML page using the file:// protocol.

Exploitation is limited to rogue Admin UI users, malicious connected system / data store users, and the data subject user if tricked via social engineering into submitting malicious data themselves.

Patches

The vulnerability has been patched in Fides version TBC. Users are advised to upgrade to this version or later to secure their systems against this threat.

Workarounds

Only Fides deployments which have been configured to use html as the package format in the storage destination are vulnerable. Using json or csv instead eliminates this vulnerability.

Record
GHSA-3vpf-mcj7-5h38
CVSS 3.1
4.3 MediumCVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:L/I:L/A:L
Weakness
CWE-79
Updated
2026-11-02
OSVPYSEC-2026-1333 4.3

Ethyca Fides HTML Injection Vulnerability in HTML-Formatted DSR Packages

Impact

The Fides web application allows data subject users to request access to their personal data. If the request is approved by the data controller user operating the Fides web application, the data subject's personal data can then retrieved from connected systems and data stores before being bundled together as a data subject access request package for the data subject to download. Supported data formats for the package include json and csv, but the most commonly used format is a series of HTML files compressed in a ZIP file. Once downloaded and unzipped, the data subject user can browse the HTML files on their local machine.

It was identified that there was no validation of input coming from e.g. the connected systems and data stores which is later reflected in the downloaded data. This can result in an HTML injection that can be abused e.g. for phishing attacks or malicious JavaScript code execution, but only in the context of the data subject's browser accessing a HTML page using the file:// protocol.

Exploitation is limited to rogue Admin UI users, malicious connected system / data store users, and the data subject user if tricked via social engineering into submitting malicious data themselves.

Patches

The vulnerability has been patched in Fides version TBC. Users are advised to upgrade to this version or later to secure their systems against this threat.

Workarounds

Only Fides deployments which have been configured to use html as the package format in the storage destination are vulnerable. Using json or csv instead eliminates this vulnerability.

Record
PYSEC-2026-1333
CVSS 3.1
4.3 MediumCVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:L/I:L/A:L
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
ethyca-fides
PyPI
2.15.1 up to 2.23.3
2.23.3
ethyca-fides
PyPI
2.15.1 up to 2.23.3, plus listed versions
2.16.02.17.02.17.12.18.02.19.0
Show 10 moreShow less
2.19.12.20.02.20.12.20.22.21.02.22.02.22.12.23.02.23.12.23.2
2.23.3

History

History
RecordedChangedSources
aliasesEUVD
first indexedCVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2023-47114 is a medium vulnerability (CVSS 4.3) in Ethyca Fides, published November 8, 2023. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.61%, the 49th percentile. Fixed in ethyca-fides 2.23.3.

References

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