Critical severity9.8NVD Advisory· Published Jul 29, 2020· Updated Jun 17, 2026
CVE-2020-15086
CVE-2020-15086
Description
In TYPO3 installations with the "mediace" extension from version 7.6.2 and before version 7.6.5, it has been discovered that an internal verification mechanism can be used to generate arbitrary checksums. The allows to inject arbitrary data having a valid cryptographic message authentication code and can lead to remote code execution. To successfully exploit this vulnerability, an attacker must have access to at least one Extbase plugin or module action in a TYPO3 installation. This is fixed in version 7.6.5 of the "mediace" extension for TYPO3.
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Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
friendsoftypo3/mediacePackagist | >= 7.6.2, < 7.6.5 | 7.6.5 |
Affected products
3- FriendsOfTYPO3/mediacev5Range: >= 7.6.2, < 7.6.5
Patches
Vulnerability mechanics
References
7- github.com/FriendsOfTYPO3/mediace/commit/fa29ffd3e8b275782a8600d2406e1b1e5e16ae75nvdPatchThird Party AdvisoryWEB
- github.com/FriendsOfTYPO3/mediace/pull/31nvdPatchThird Party AdvisoryWEB
- github.com/FriendsOfTYPO3/mediace/security/advisories/GHSA-4h44-w6fm-548gnvdExploitPatchThird Party AdvisoryWEB
- github.com/advisories/GHSA-4h44-w6fm-548gghsaADVISORY
- nvd.nist.gov/vuln/detail/CVE-2020-15086ghsaADVISORY
- github.com/FriendsOfPHP/security-advisories/blob/master/friendsoftypo3/mediace/CVE-2020-15086.yamlghsaWEB
- typo3.org/security/advisory/typo3-ext-sa-2020-014ghsaWEB
News mentions
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