TYPO3 Cross-Site Scripting Vulnerability Exploitable by Editors
It has been discovered that link tags generated by typolink functionality in the website's frontend are vulnerable to cross-site scripting - values being assigned to HTML attributes have not been parsed correctly. A valid backend user account is needed to exploit this vulnerability.
As second and separate vulnerability in the filelist module of the backend user interface has been referenced with this advisory as well. Error messages being shown after using a malicious name for renaming a file are not propery encoded, thus vulnerable to cross-site scripting. A valid backend user account is needed to exploit this vulnerability.
Affected software
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| Platform | Package | Vulnerable versions | Fixed in |
|---|---|---|---|
| Composer package | typo3/cms | >= 6.2.0, < 6.2.14, >= 7.0.0, < 7.3.1 | 6.2.14, 7.3.1 |
References
- https://github.com/TYPO3/typo3/commit/7695d91fca1a96a3a3e7466097ae92c32b1130d8
- https://github.com/TYPO3/typo3/commit/d7feb40c8d277c6b6ab3a548313be1e1a2084299
- https://github.com/FriendsOfPHP/security-advisories/blob/master/typo3/cms/2015-07-01-3.yaml
- https://github.com/TYPO3/typo3
- https://typo3.org/security/advisory/typo3-core-sa-2015-004
- https://typo3.org/teams/security/security-bulletins/typo3-core/typo3-core-sa-2015-004
- CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N- Weakness (CWE)
CWE-79- Platform
- Composer
- Package
typo3/cms- Disclosed
- 30.05.2024
- Updated
- 11.10.2026 10:22
Sources and licenses
OSV / GitHub Advisory Database - GHSA-wp8j-c736-c5r3 - CC BY 4.0
Vulnerability history: typo3/cms
All published vulnerabilities of this package (Composer package), newest first. Shows whether this is a one-off slip or a package that needs watching.
- Total entries
- 188
- First → latest
- 09.2018 06.2024
- Without a fix
- 3
- Exploited in attacks
- 0
Severity breakdown
- Critical 6
- High 41
- Medium 128
- Low 13
Disclosures per year
- 2018: 2
- 2019: 0
- 2020: 13
- 2021: 15
- 2022: 85
- 2023: 1
- 2024: 72
- 2025: 0
- 2026: 0
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TYPO3 Cross-Site Scripting Vulnerability Exploitable by Editors this entry
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