CVE-2012-6146
Typo3 Backend History Module Vulnerable to XSS
The Backend History Module in TYPO3 4.5.x before 4.5.21, 4.6.x before 4.6.14, and 4.7.x before 4.7.6 does not properly restrict access, which allows remote authenticated editors to read the history of arbitrary records via a crafted URL.
Exploit likelihood
What each source reports
NVD Score used 4.0
The Backend History Module in TYPO3 4.5.x before 4.5.21, 4.6.x before 4.6.14, and 4.7.x before 4.7.6 does not properly restrict access, which allows remote authenticated editors to read the history of arbitrary records via a crafted URL.
- Record
CVE-2012-6146- CVSS 2.0
- 4.0 Medium
AV:N/AC:L/Au:S/C:P/I:N/A:N - Weakness
- CWE-264
- Updated
- 2026-11-02
CVE ListNo score
The Backend History Module in TYPO3 4.5.x before 4.5.21, 4.6.x before 4.6.14, and 4.7.x before 4.7.6 does not properly restrict access, which allows remote authenticated editors to read the history of arbitrary records via a crafted URL.
- Record
CVE-2012-6146- Updated
- 2026-11-02
EUVDEUVD-2022-1993No score
The Backend History Module in TYPO3 4.5.x before 4.5.21, 4.6.x before 4.6.14, and 4.7.x before 4.7.6 does not properly restrict access, which allows remote authenticated editors to read the history of arbitrary records via a crafted URL.
- Record
EUVD-2022-1993- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-2hp4-8h6h-93rrNo score
Typo3 Backend History Module Vulnerable to XSS
The Backend History Module in TYPO3 4.5.x before 4.5.21, 4.6.x before 4.6.14, and 4.7.x before 4.7.6 does not properly restrict access, which allows remote authenticated editors to read the history of arbitrary records via a crafted URL.
- Record
GHSA-2hp4-8h6h-93rr- Weakness
- CWE-79
- Updated
- 2026-11-02
OSVGHSA-2hp4-8h6h-93rrNo score
Typo3 Backend History Module Vulnerable to XSS
The Backend History Module in TYPO3 4.5.x before 4.5.21, 4.6.x before 4.6.14, and 4.7.x before 4.7.6 does not properly restrict access, which allows remote authenticated editors to read the history of arbitrary records via a crafted URL.
- Record
GHSA-2hp4-8h6h-93rr- Weakness
- CWE-79
- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
typo3/cmsPackagist | 4.5 up to 4.5.21 | 4.5.21 |
typo3/cmsPackagist | 4.6 up to 4.6.14 | 4.6.14 |
typo3/cmsPackagist | 4.7 up to 4.7.6 | 4.7.6 |
typo3-srcDebian:6.0 From an advisory covering 4 CVEs | before 4.3.9+dfsg1-1+squeeze7, plus listed versions 4.3.9+dfsg1-14.3.9+dfsg1-1+squeeze14.3.9+dfsg1-1+squeeze24.3.9+dfsg1-1+squeeze34.3.9+dfsg1-1+squeeze44.3.9+dfsg1-1+squeeze54.3.9+dfsg1-1+squeeze6 | 4.3.9+dfsg1-1+squeeze7 |
History
| Recorded | Changed | Sources |
|---|---|---|
| affected, facts | ||
| 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-2012-6146 is a medium vulnerability (CVSS 4.0) in Typo3, published November 15, 2012. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.99%, the 63rd percentile. Fixed in typo3/cms 4.5.21.