Typo3 Backend History Module Vulnerable to XSS

published 2014-05-20 12 y ago modified 2026-06-16 4 mo ago also GHSA-2hp4-8h6h-93rr , EUVD-2022-1993

cvss: 4.0; version 2.0, NVD
cisa kev: Not listed; not in CISA's catalog
epss: 1.0%; EPSS 1.0% chance of exploitation in 30 days, percentile 62%
public exploits: 0; none known

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.

Patch / fix

fixed in 1

packagist typo3/cms 4.5.21, 4.6.14, 4.7.6

Exploit prediction

0.99% chance of exploitation in the next 30 days, higher than 62% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by	version	score	vector
NVD	2.0	4.0	AV:N/AC:L/Au:S/C:P/I:N/A:N

Affected packages

ecosystem	package	affected	fixed in
packagist	typo3/cms	>=4.5, <4.5.21 >=4.6, <4.6.14 >=4.7, <4.7.6	4.5.21 4.6.14 4.7.6

Classification

Weakness

CWE-264 Permissions, Privileges, and Access Controls
CWE-79 Improper Neutralization of Input During Web Page Generation

References

Sources

CVE List CVE-2012-6146
GitHub Advisory GHSA-2hp4-8h6h-93rr
NVD CVE-2012-6146

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.

Summary