CVE-2026-77139
Path Traversal in extension "Mask" (mask)
CVSS Score
0.0
EPSS Score
0.0%
EPSS Percentile
0th
The extension fails to validate a client-supplied template element key before using it to build file paths for saving and deleting Mask template files. An authenticated backend user with access to the Mask module can supply a key containing path traversal sequences to create or delete .html files outside the configured template directory.
| CWE | CWE-22 CWE-73 |
| Vendor | typo3 |
| Product | extension "mask" |
| Published | Aug 25, 2026 |
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Affected Versions
TYPO3 / Extension "Mask"
9.0.0 < 9.0.11 0 < 8.3.12
References
Credits
🔍 Seungbin Yang Nikita Hovratov