CVE-2012-6147 json
Typo3 Backend API XSS Vulnerability
published 2013-07-01 13 y ago modified 2026-06-16 4 mo ago also GHSA-qmmw-ch2q-j6xx , EUVD-2022-5001
- cvss
- 3.5
- version 2.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.8%
- EPSS 1.8% chance of exploitation in 30 days, percentile 78%
- public exploits
- 0
- none known
Summary
Cross-site scripting (XSS) vulnerability in the tree render API (TCA-Tree) in the Backend API in TYPO3 4.5.x before 4.5.21, 4.6.x before 4.6.14, and 4.7.x before 4.7.6 allows remote authenticated backend users to inject arbitrary web script or HTML via unspecified vectors.
Patch / fix
- packagist typo3/cms 4.5.21, 4.6.14, 4.7.6
Exploit prediction
1.82% chance of exploitation in the next 30 days, higher than 78% of all scored CVEs (FIRST EPSS, 2026-11-09).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 2.0 | 3.5 | AV:N/AC:M/Au:S/C:N/I:P/A:N |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| packagist | typo3/cms | >=4.5.0, <4.5.21 >=4.6.0, <4.6.14 >=4.7.0, <4.7.6 |
4.5.21 4.6.14 4.7.6 |
Classification
- Weakness
-
- CWE-79 Improper Neutralization of Input During Web Page Generation
References
-
typo3.org
/teams/security/security-bulletins/typo3-core/typo3-core-sa-2012-005/
vendor-advisory
-
exchange.xforce.ibmcloud.com
/vulnerabilities/79967
vdb-entry, web
-
osvdb.org
/87113
vdb-entry
-
openwall.com
/lists/oss-security/2013/06/19/4
mailing-list, web
-
nvd.nist.gov
/vuln/detail/CVE-2012-6147
advisory
-
github.com
/TYPO3/typo3
package
-
typo3.org
/teams/security/security-bulletins/typo3-core/typo3-core-sa-2012-005
web
Sources
- CVE List CVE-2012-6147
- GitHub Advisory GHSA-qmmw-ch2q-j6xx
- NVD CVE-2012-6147
Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.