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Advisory record · GHSA-q742-qvgc-gc2f

TinyMCE Cross-Site Scripting (XSS) vulnerability using through data-mce- prefixed src, href, style attributes

CVSS 8.7 HighEPSS 0.0028 · 20th percentile

Published by the GitHub Advisory Database at 5 Jun 2026, 20:27 UTC. agentprime has not analysed this yet, so whether it affects any app is not known.

PackageEcosystemAffectedFixed in
tinymcenpm<=5.10.9 || >=6.0.0, <7.9.3 || >=8.0.0, <8.5.17.9.3, 8.5.1
TinyMCENuGet<=5.10.9 || >=6.0.0, <7.9.3 || >=8.0.0, <8.5.17.9.3, 8.5.1
tinymce/tinymcePackagist<=5.10.9 || >=6.0.0, <7.9.3 || >=8.0.0, <8.5.17.9.3, 8.5.1
Identifiers
GHSA-q742-qvgc-gc2f · CVE-2026-47759 · PKSA-rf1b-835f-6yyv
Weakness (CWE)
CWE-79
Tags
Published
5 Jun 2026
Updated
10 Sept 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
8.7 High 3.1 CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N CNA (GitHub_M)
  • CISA KEV Not listed.
  • EPSS 0.0028, the 20th percentile, on 8 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

This record came from the full history of the GitHub Advisory Database, published 5 Jun 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.