GHSA-86r8-4g3w-7xjp
Cross-Site Scripting in TYPO3 Backend
GHSA-86r8-4g3w-7xjp is a medium vulnerability (CVSS 4.6) in typo3/cms, published June 5, 2024. No source lists public exploit code. Fixed in typo3/cms 6.2.26.
- Severity
- 4.6 MediumCVSS 3.1, GitHub Advisories
- Exploit chance
- UnscoredNo EPSS score yet
- Exploitation
- None knownNot on CISA’s or ENISA’s lists
- Fixed in
6.2.26typo3/cms +5 more
Description
Failing to properly encode user input, some backend components are vulnerable to Cross-Site Scripting. A valid backend user account is needed to exploit this vulnerability.
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
Affected packages
| Package | Affected | Fixed |
|---|---|---|
typo3/cmsPackagist | 6.2.0 up to 6.2.26 | 6.2.26 |
typo3/cmsPackagist | 7.6.0 up to 7.6.10 | 7.6.10 |
typo3/cmsPackagist | 8.0.0 up to 8.2.1 | 8.2.1 |
typo3/cmsPackagist | 6.2.0 up to 6.2.26, plus listed versions 6.2.16.2.106.2.10-rc16.2.116.2.12 Show 21 moreShow less6.2.136.2.146.2.156.2.166.2.176.2.186.2.196.2.26.2.206.2.216.2.226.2.236.2.246.2.256.2.36.2.46.2.56.2.66.2.76.2.86.2.9 | 6.2.26 |
typo3/cmsPackagist | 7.6.0 up to 7.6.10, plus listed versions 7.6.17.6.27.6.37.6.47.6.5 Show 4 moreShow less7.6.67.6.77.6.87.6.9 | 7.6.10 |
typo3/cmsPackagist | 8.0.0 up to 8.2.1, plus listed versions 8.0.18.1.08.1.18.1.28.2.0 | 8.2.1 |
What each source reports
GitHub Advisories Score used
Cross-Site Scripting in TYPO3 Backend
Failing to properly encode user input, some backend components are vulnerable to Cross-Site Scripting. A valid backend user account is needed to exploit this vulnerability.
- Record
GHSA-86r8-4g3w-7xjp- CVSS 3.1
- 4.6 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:N - Weakness
- CWE-79
- Updated
- 2026-11-02
OSV
Cross-Site Scripting in TYPO3 Backend
Failing to properly encode user input, some backend components are vulnerable to Cross-Site Scripting. A valid backend user account is needed to exploit this vulnerability.
- Record
GHSA-86r8-4g3w-7xjp- CVSS 3.1
- 4.6 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:N - Weakness
- CWE-79
- Updated
- 2026-11-02
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | GitHub Advisories, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.