CVE-2016-4056
TYPO3 Backend component Cross-site scripting (XSS) vulnerability
Cross-site scripting (XSS) vulnerability in the Backend component in TYPO3 6.2.x before 6.2.19 allows remote attackers to inject arbitrary web script or HTML via the module parameter when creating a bookmark.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- Required
What an attacker can affect
- Confidentiality
- Low
- Integrity
- Low
- Availability
- None
Exploit likelihood
What each source reports
NVD Score used
Cross-site scripting (XSS) vulnerability in the Backend component in TYPO3 6.2.x before 6.2.19 allows remote attackers to inject arbitrary web script or HTML via the module parameter when creating a bookmark.
- Record
CVE-2016-4056- CVSS 3.0
- 6.1 Medium
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N - CVSS 2.0
- 4.3 Medium
AV:N/AC:M/Au:N/C:N/I:P/A:N - Weakness
- CWE-79
- Updated
- 2026-11-02
CVE List No score
Cross-site scripting (XSS) vulnerability in the Backend component in TYPO3 6.2.x before 6.2.19 allows remote attackers to inject arbitrary web script or HTML via the module parameter when creating a bookmark.
- Record
CVE-2016-4056- Updated
- 2026-11-02
EUVDEUVD-2022-3759 No score
Cross-site scripting (XSS) vulnerability in the Backend component in TYPO3 6.2.x before 6.2.19 allows remote attackers to inject arbitrary web script or HTML via the module parameter when creating a bookmark.
- Record
EUVD-2022-3759- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-ffcm-vhcw-p32r
TYPO3 Backend component Cross-site scripting (XSS) vulnerability
Cross-site scripting (XSS) vulnerability in the Backend component in TYPO3 6.2.x before 6.2.19 allows remote attackers to inject arbitrary web script or HTML via the module parameter when creating a bookmark.
- Record
GHSA-ffcm-vhcw-p32r- CVSS 3.0
- 6.1 Medium
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N - Weakness
- CWE-79
- Updated
- 2026-11-02
OSV
Cross-site scripting (XSS) vulnerability in the Backend component in TYPO3 6.2.x before 6.2.19 allows remote attackers to inject arbitrary web script or HTML via the module parameter when creating a bookmark.
- Record
CVE-2016-4056- CVSS 3.0
- 6.1 Medium
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N - Updated
- 2026-11-02
OSVGHSA-ffcm-vhcw-p32r
TYPO3 Backend component Cross-site scripting (XSS) vulnerability
Cross-site scripting (XSS) vulnerability in the Backend component in TYPO3 6.2.x before 6.2.19 allows remote attackers to inject arbitrary web script or HTML via the module parameter when creating a bookmark.
- Record
GHSA-ffcm-vhcw-p32r- CVSS 3.0
- 6.1 Medium
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N - Weakness
- CWE-79
- Updated
- 2026-11-02
Affected products
Affected packages
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2016-4056 is a medium vulnerability (CVSS 6.1) in Typo3, published January 23, 2017. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.08%, the 65th percentile. Fixed in typo3/cms 6.2.19.
References
openwall.com/lists/oss-security/2016/04/21/1
labs.integrity.pt/advisories/cve-pending-stored-cross-site-scripting-in-typo3-bookmarks
typo3.org/teams/security/security-bulletins/typo3-core/typo3-core-sa-2016-006
nvd.nist.gov/vuln/detail/CVE-2016-4056
github.com/advisories/GHSA-ffcm-vhcw-p32r