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CVE-2024-29203 is a cross-site scripting vulnerability in TinyMCE affecting the editor's content insertion code. The flaw allows inserted iframe elements containing malicious code to execute when processed by the editor. Although browser same-origin protections limit what the iframe can directly access, the inserted malicious iframe can still execute within the editor context and trigger unwanted actions such as loading or downloading attacker-controlled assets. The issue affects TinyMCE 6.x versions prior to 6.8.1 and was fixed in version 6.8.1.
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What it means. What to do now. Patch path, mitigations, and the assume-compromise checklist.
What an attacker gets, and what they’ve been doing with it.
If you can’t patch tonight, do this now.
Patch, then assume compromise.
No public exploits tracked yet. Mallory keeps watching.
No public exploit code observed for this vulnerability.
Products and vendors Mallory has correlated with this vulnerability. Open in Mallory to drill down to specific CPE configurations and version ranges.
Vendor-confirmed product mapping. Mallory continuously reconciles this list against your asset inventory.
5 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
A prior TinyMCE XSS vulnerability via iframe element content insertion, mentioned as historical context.
A historical TinyMCE XSS vulnerability mentioned only as background in the vendor security history table.
A prior TinyMCE XSS vulnerability in content insertion code mentioned as historical background.
A previously disclosed stored XSS vulnerability in TinyMCE, referenced as part of the compounding risk for unsupported TinyMCE 6.x deployments.
Query your assets running an affected version, and investigate the blast radius.
Every observed campaign linking this CVE to a named adversary.
Malware families riding this exploit, with evidence and IOCs.
YARA, Sigma, Snort, and vendor rules, auto-deployed to your SIEM.
Cross-references every affected SKU, including bundled OEM variants.
Community discussion across Reddit, Mastodon, and other social sources.