CVE-2012-3528

Typo3 Backend XSS Vulnerability

3.5 LowFix available

CVE-2012-3528 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 2.03%, the 81st percentile. Fixed in typo3/cms 4.5.19.

Multiple cross-site scripting (XSS) vulnerabilities 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 allow remote authenticated backend users to inject arbitrary web script or HTML via unspecified vectors.

Exploit likelihood

2.03%Up 0.8 points since Feb 4, 2022

What each source reports

NVD Score used 3.5

Record: CVE-2012-3528
CVSS 2.0: 3.5 LowAV:N/AC:M/Au:S/C:N/I:P/A:N
Weakness: CWE-79
Updated: 2026-11-02

CVE List No score

Record: CVE-2012-3528
Updated: 2026-11-02

EUVDEUVD-2022-3073 No score

Record: EUVD-2022-3073
Updated: 2026-11-03

GitHub AdvisoriesGHSA-7w6c-5pr4-7qvp No score

Typo3 Backend XSS Vulnerability

Record: GHSA-7w6c-5pr4-7qvp
Weakness: CWE-79
Updated: 2026-11-02

OSVGHSA-7w6c-5pr4-7qvp No score

Typo3 Backend XSS Vulnerability

Record: GHSA-7w6c-5pr4-7qvp
Weakness: CWE-79
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
When	Changed	Sources
2026-11-03	aliases	EUVD
2026-11-02	created	CVE List, GitHub Advisories, NVD, OSV

Exploit likelihood

What each source reports

Affected products

Affected packages

History

References