Description
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.
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 6.0 | typo3-src | 4.3.9+dfsg1-1+squeeze3 | DSA-2445-1 |
Affected packages
| Ecosystem | Package | Affected | Fixed | Record |
|---|---|---|---|---|
| Packagist | typo3/cms | >= 4.4.0, < 4.4.14 | 4.4.14 | GHSA-w3v6-r62r-fvqh |
| Packagist | typo3/cms | >= 4.5.0, < 4.5.14 | 4.5.14 | GHSA-w3v6-r62r-fvqh |
| Packagist | typo3/cms | >= 4.6.0, < 4.6.7 | 4.6.7 | GHSA-w3v6-r62r-fvqh |
Advisories 1
- DSA-2445-1 typo3-src - several Debian Security (DSA / DLA) · Mar 9, 2026
References
- 48647 third-party-advisory
- [oss-security] 20120329 Re: CVE request: TYPO3-CORE-SA-2012-001 mailing-list
- http://typo3.org/teams/security/security-bulletins/typo3-core/typo3-core-sa-2012-001/
- DSA-2445 vendor-advisory
- 80762 vdb-entry
- 52771 vdb-entry