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CVE-2026-47760 is a stored cross-site scripting vulnerability in TinyMCE affecting versions 6.8.0 through versions prior to 7.1.0. The flaw is caused by improper SVG namespace scope handling in the editor’s sanitizer. When processing crafted nested SVG content, the sanitizer can lose track of the active namespace and fail to remove dangerous attributes, allowing malicious event-handler attributes to survive sanitization. An authenticated attacker who can submit content processed by TinyMCE can inject a crafted payload that is stored and later rendered to other users. When a victim views or interacts with the malicious content, arbitrary JavaScript executes in the browser context of the hosting application.
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No public exploit code observed for this vulnerability.
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7 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
A TinyMCE core sanitizer engine flaw caused by improper namespace scope handling during nested asset rendering, enabling XSS-related sanitization bypass.
An XSS vulnerability in TinyMCE caused by improper SVG namespace scope handling in the sanitizer, allowing crafted nested-element payloads to bypass attribute sanitization and execute arbitrary JavaScript.
A stored cross-site scripting vulnerability in TinyMCE caused by improper SVG namespace scope tracking in the HTML sanitizer, allowing nested SVG content with event handlers to bypass sanitization and execute JavaScript in the hosting application's browser context.
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.