XSS in TinyMCE sanitizer via improper SVG namespace scope handling
CVE-2026-47760 is a cross-site scripting vulnerability in TinyMCE, the open source rich text editor. It affects versions 6.8.0 through versions before 7.1.0. The flaw is in the core sanitizer and is caused by improper SVG namespace scope handling. According to the provided advisory context, a crafted payload using nested SVG or other nested elements can bypass attribute sanitization, allowing attacker-controlled script execution in rendered content.
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Impact, mitigation & remediation
What it means. What to do now. Patch path, mitigations, and the assume-compromise checklist.
Impact
What an attacker gets, and what they’ve been doing with it.
Mitigation
If you can’t patch tonight, do this now.
Remediation
Patch, then assume compromise.
Exploits
No public exploits tracked yet. Mallory keeps watching.
No public exploit code observed for this vulnerability.
Affected products & vendors
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.
Recent activity
6 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.
The version that knows your environment.
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.