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CVE-2023-37611

Neos CMS Cross Site Scripting vulnerability

5.4 MediumFix available

Cross Site Scripting (XSS) vulnerability in Neos CMS 8.3.3 allows a remote authenticated attacker to execute arbitrary code via a crafted SVG file to the neos/management/media component.

Attack profile

How easy it is to exploit

Attack vector
Network
Complexity
Low
Privileges needed
Low
User interaction
Required

What an attacker can affect

Confidentiality
Low
Integrity
Low
Availability
None

Exploit likelihood

0.71%Up 0.7 points since Sep 19, 2023
90%50%10%1%

What each source reports

NVD Score used 5.4

Cross Site Scripting (XSS) vulnerability in Neos CMS 8.3.3 allows a remote authenticated attacker to execute arbitrary code via a crafted SVG file to the neos/management/media component.

Record
CVE-2023-37611
CVSS 3.1
5.4 MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
Weakness
CWE-79
Updated
2026-11-02
CVE List No score

Cross Site Scripting (XSS) vulnerability in Neos CMS 8.3.3 allows a remote authenticated attacker to execute arbitrary code via a crafted SVG file to the neos/management/media component.

Record
CVE-2023-37611
Updated
2026-11-02
EUVDEUVD-2023-2448 No score

Cross Site Scripting (XSS) vulnerability in Neos CMS 8.3.3 allows a remote authenticated attacker to execute arbitrary code via a crafted SVG file to the neos/management/media component.

Record
EUVD-2023-2448
Updated
2026-11-03
GitHub AdvisoriesGHSA-6qjf-7g3j-qx25 5.4

Neos CMS Cross Site Scripting vulnerability

Cross Site Scripting (XSS) vulnerability in Neos CMS 8.3.3 allows a remote authenticated attacker to execute arbitrary code via a crafted SVG file uploaded to the neos/management/media component. To make use of this attack vector, the attacker must either be able to upload a maliciously crafted file or coerce someone with the needed access to upload said file to Neos. Even if such a file is uploaded and subsequently delivered, it is possible to use CSP to protect against attacks being executed from such a file.

Record
GHSA-6qjf-7g3j-qx25
CVSS 3.1
5.4 MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
Weakness
CWE-79
Updated
2026-11-02
OSVGHSA-6qjf-7g3j-qx25 5.4

Neos CMS Cross Site Scripting vulnerability

Cross Site Scripting (XSS) vulnerability in Neos CMS 8.3.3 allows a remote authenticated attacker to execute arbitrary code via a crafted SVG file uploaded to the neos/management/media component. To make use of this attack vector, the attacker must either be able to upload a maliciously crafted file or coerce someone with the needed access to upload said file to Neos. Even if such a file is uploaded and subsequently delivered, it is possible to use CSP to protect against attacks being executed from such a file.

Record
GHSA-6qjf-7g3j-qx25
CVSS 3.1
5.4 MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
Weakness
CWE-79
Updated
2026-11-02
OSVBIT-neos-2023-37611 No score

Cross Site Scripting (XSS) vulnerability in Neos CMS 8.3.3 allows a remote authenticated attacker to execute arbitrary code via a crafted SVG file to the neos/management/media component.

Record
BIT-neos-2023-37611
Updated
2026-11-02
OSV No score

Cross Site Scripting (XSS) vulnerability in Neos CMS 8.3.3 allows a remote authenticated attacker to execute arbitrary code via a crafted SVG file to the neos/management/media component.

Record
CVE-2023-37611
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
neos/media-browser
Packagist
 before 7.3.19
7.3.19
neos/media-browser
Packagist
 8.0.0 up to 8.0.16
8.0.16
neos/media-browser
Packagist
 8.1.0 up to 8.1.11
8.1.11
neos/media-browser
Packagist
 8.2.0 up to 8.2.11
8.2.11
neos/media-browser
Packagist
 8.3.0 up to 8.3.9
8.3.9
neos
Bitnami
 8.3.3 to 8.3.3 None known
neos/media-browser
Packagist
 before 7.3.19, plus listed versions
3.0.03.0.13.0.103.0.113.0.12
Show 45 moreShow less
3.0.133.0.143.0.153.0.163.0.173.0.183.0.193.0.23.0.203.0.33.0.43.0.53.0.63.0.73.0.83.0.93.1.03.1.13.1.103.1.113.1.123.1.133.1.143.1.153.1.163.1.173.1.183.1.23.1.33.1.43.1.53.1.63.1.73.1.83.1.93.2.03.2.13.2.103.2.113.2.123.2.133.2.143.2.23.2.33.2.4
7.3.19
neos/media-browser
Packagist
 8.0.0 up to 8.0.16, plus listed versions
8.0.18.0.108.0.118.0.128.0.13
Show 10 moreShow less
8.0.148.0.158.0.28.0.38.0.48.0.58.0.68.0.78.0.88.0.9
8.0.16
neos/media-browser
Packagist
 8.1.0 up to 8.1.11, plus listed versions
8.1.18.1.108.1.28.1.38.1.4
Show 5 moreShow less
8.1.58.1.68.1.78.1.88.1.9
8.1.11
neos/media-browser
Packagist
 8.2.0 up to 8.2.11, plus listed versions
8.2.18.2.108.2.28.2.38.2.4
Show 5 moreShow less
8.2.58.2.68.2.78.2.88.2.9
8.2.11
neos/media-browser
Packagist
 8.3.0 up to 8.3.9, plus listed versions
8.3.18.3.28.3.38.3.48.3.58.3.68.3.78.3.8
8.3.9

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-2023-37611 is a medium vulnerability (CVSS 5.4) in Neos Cms, published September 18, 2023. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.71%, the 53rd percentile. Fixed in neos/media-browser 7.3.19.

References

Show 5 moreShow less
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Left out here: 231 versions. The JSON record has them.

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