Description
The Backend subcomponent in TYPO3 4.0.13 and earlier, 4.1.x before 4.1.13, 4.2.x before 4.2.10, and 4.3.x before 4.3beta2 allows remote authenticated users to determine an encryption key via crafted input to a tt_content form element.
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 5.0 | typo3-src | 4.2.5-1+lenny2 | DSA-1926-1 |
| Debian 4.0 | typo3-src | 4.0.2+debian-9 | DSA-1926-1 |
Affected packages
| Ecosystem | Package | Affected | Fixed | Record |
|---|---|---|---|---|
| Packagist | typo3/cms-backend | <= 4.0.13 | — | GHSA-2wgg-c8xc-7gg3 |
| Packagist | typo3/cms-backend | >= 4.1.0, < 4.1.13 | 4.1.13 | GHSA-2wgg-c8xc-7gg3 |
| Packagist | typo3/cms-backend | >= 4.2.0, < 4.2.10 | 4.2.10 | GHSA-2wgg-c8xc-7gg3 |
| Packagist | typo3/cms-backend | >= 4.3alpha1, < 4.3beta2 | 4.3beta2 | GHSA-2wgg-c8xc-7gg3 |
Advisories 1
- DSA-1926-1 typo3-src - several vulnerabilities Debian Security (DSA / DLA) · Mar 9, 2026
References
- 37122 third-party-advisory
- http://typo3.org/teams/security/security-bulletins/typo3-sa-2009-016
- typo3-ttcontent-info-disclosure(53917) vdb-entry
- [oss-security] 20091023 Re: CVE id request: typo3 mailing-list
- ADV-2009-3009 vdb-entry
- 36801 vdb-entry