Description
The (old) Form Content Element component in TYPO3 4.5.0 through 4.5.31, 4.7.0 through 4.7.16, 6.0.0 through 6.0.11, and 6.1.0 through 6.1.6 allows remote authenticated editors to generate arbitrary HMAC signatures and bypass intended access restrictions via unspecified vectors.
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 7 | typo3-src | 4.5.19+dfsg1-5+wheezy2 | DSA-2834-1 |
| Debian 6.0 | typo3-src | 4.3.9+dfsg1-1+squeeze9 | DSA-2834-1 |
Affected packages
| Ecosystem | Package | Affected | Fixed | Record |
|---|---|---|---|---|
| Packagist | typo3/cms-core | >= 4.5.0, < 4.5.31 | 4.5.31 | GHSA-r674-mc9p-hvw5 |
| Packagist | typo3/cms-core | >= 4.7.0, < 4.7.16 | 4.7.16 | GHSA-r674-mc9p-hvw5 |
| Packagist | typo3/cms-core | >= 6.0.0, < 6.0.11 | 6.0.11 | GHSA-r674-mc9p-hvw5 |
| Packagist | typo3/cms-core | >= 6.1.0, < 6.1.6 | 6.1.6 | GHSA-r674-mc9p-hvw5 |
Advisories 1
- DSA-2834-1 typo3-src - several Debian Security (DSA / DLA) · Mar 9, 2026