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Advisory record · PKSA-6xxy-q4qw-wtq1

TYPO3-EXT-SA-2026-014: Remote Code Execution in extension "HTML5 Video Player vs. Powermail" (html5videoplayer_powermail)

CVSS 9.3 CriticalCriticalEPSS 0.0072 · 54th percentile

Critical, because:

  • CVSS score 9.3: 9.0 or more.

How we decide what’s critical

Published by Packagist at 1 Jan 2026, 00:00 UTC. agentprime has not analysed this yet, so whether it affects any app is not known.

PackageEcosystemAffectedFixed in
lochmueller/html5videoplayer-powermailPackagist<=0.2.1No fixed version yet
Identifiers
PKSA-6xxy-q4qw-wtq1 · CVE-2026-77138
Weakness (CWE)
CWE-502
Tags
Published
1 Jan 2026
Updated
1 Jan 2026

Not analysed yet

We haven’t published our analysis of this Advisory yet. Once a person has reviewed it, this page will say what’s vulnerable, what has to be true for your app to be affected, and how to check.

Severity and exploitation

ScoreRatingCVSSVectorSource
9.3 Critical 4.0 CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N CNA (TYPO3)
  • CISA KEV Not listed.
  • EPSS 0.0072, the 54th percentile, on 12 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

This record came from the full history of Packagist, published 1 Jan 2026. New records show when each source confirmed them.

Sources

Facts on this page come from the GitHub Advisory Database (CC-BY 4.0), OSV and the other sources listed, as published. We don’t reproduce full advisory descriptions, which can contain exploit code.