Description
The Content Editing Wizards 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 backend users to unserialize arbitrary PHP objects, delete arbitrary files, and possibly have other unspecified impacts via an unspecified parameter, related to a "missing signature."
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 | >= 4.5.0, < 4.5.32 | 4.5.32 | GHSA-47ww-mq32-g4xw |
| Packagist | typo3/cms | >= 4.7.0, < 4.7.17 | 4.7.17 | GHSA-47ww-mq32-g4xw |
| Packagist | typo3/cms | >= 6.0.0, < 6.0.12 | 6.0.12 | GHSA-47ww-mq32-g4xw |
| Packagist | typo3/cms | >= 6.1.0, < 6.1.7 | 6.1.7 | GHSA-47ww-mq32-g4xw |
Advisories 1
- DSA-2834-1 typo3-src - several Debian Security (DSA / DLA) · Mar 9, 2026