CVE-2012-3529

Typo3 Backend Configuration XSS Vulnerability

3.5 LowFix available

The configuration module in the backend in TYPO3 4.5.x before 4.5.19, 4.6.x before 4.6.12 and 4.7.x before 4.7.4 allows remote authenticated backend users to obtain the encryption key via unspecified vectors.

Exploit likelihood

0.84%Down 0.4 points since Feb 4, 2022

What each source reports

NVD Score used 3.5

Record: CVE-2012-3529
CVSS 2.0: 3.5 LowAV:N/AC:M/Au:S/C:P/I:N/A:N
Weakness: CWE-200
Updated: 2026-11-02

CVE List No score

Record: CVE-2012-3529
Updated: 2026-11-02

EUVDEUVD-2022-2996 No score

Record: EUVD-2022-2996
Updated: 2026-11-03

GitHub AdvisoriesGHSA-7gg8-3r6j-5g55 No score

Typo3 Backend Configuration XSS Vulnerability

Record: GHSA-7gg8-3r6j-5g55
Weakness: CWE-200
Updated: 2026-11-02

OSVGHSA-7gg8-3r6j-5g55 No score

Typo3 Backend Configuration XSS Vulnerability

Record: GHSA-7gg8-3r6j-5g55
Weakness: CWE-200
Updated: 2026-11-02

Affected products

typo3

Affected packages

Affected packages
Package	Affected	Fixed
`typo3/cms` Packagist	4.5 up to 4.5.19	4.5.19
`typo3/cms` Packagist	4.6 up to 4.6.12	4.6.12
`typo3/cms` Packagist	4.7 up to 4.7.4	4.7.4
`typo3-src` Debian:6.0	before 4.3.9+dfsg1-1+squeeze5, 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+squeeze4	4.3.9+dfsg1-1+squeeze5

History

History
Recorded	Changed	Sources
Nov 3, 2026	aliases	EUVD
Nov 2, 2026	first indexed	CVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2012-3529 is a low vulnerability (CVSS 3.5) in Typo3, published August 30, 2012. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.84%, the 57th percentile. Fixed in typo3/cms 4.5.19.