Typo3 API XSS Vulnerabilities

published 2012-09-04 14 y ago modified 2026-06-16 4 mo ago also GHSA-w3v6-r62r-fvqh , EUVD-2022-5487

cvss: 5.0; version 2.0, NVD
cisa kev: Not listed; not in CISA's catalog
epss: 2.3%; EPSS 2.3% chance of exploitation in 30 days, percentile 83%
public exploits: 0; none known

The t3lib_div::RemoveXSS API method in TYPO3 4.4.0 through 4.4.13, 4.5.0 through 4.5.13, 4.6.0 through 4.6.6, 4.7, and 6.0 allows remote attackers to bypass the cross-site scripting (XSS) protection mechanism and inject arbitrary web script or HTML via non printable characters.

Patch / fix

fixed in 1

packagist typo3/cms 4.4.14, 4.5.14, 4.6.7

Exploit prediction

2.30% chance of exploitation in the next 30 days, higher than 83% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by	version	score	vector
NVD	2.0	5.0	AV:N/AC:L/Au:N/C:N/I:P/A:N

Affected packages

ecosystem	package	affected	fixed in
packagist	typo3/cms	>=4.4.0, <4.4.14 >=4.5.0, <4.5.14 >=4.6.0, <4.6.7	4.4.14 4.5.14 4.6.7

Classification

Weakness

CWE-20 Improper Input Validation

References

debian.org /security/2012/dsa-2445
vendor-advisory, web
secunia.com /advisories/48647
third-party-advisory, vendor-advisory
typo3.org /teams/security/security-bulletins/typo3-core/typo3-core-sa-2012-001/
vendor-advisory
openwall.com /lists/oss-security/2012/03/30/4
mailing-list, web
osvdb.org /80762
vdb-entry
securityfocus.com /bid/52771
vdb-entry
nvd.nist.gov /vuln/detail/CVE-2012-1608
advisory
web.archive.org /web/20120527123559/http://www.securityfocus.com/bid/52771
web
typo3.org /teams/security/security-bulletins/typo3-core/typo3-core-sa-2012-001
web

Sources

CVE List CVE-2012-1608
GitHub Advisory GHSA-w3v6-r62r-fvqh
NVD CVE-2012-1608

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