CVE-2026-102342 is an improper neutralization vulnerability in the Rust Ammonia HTML sanitization library. When sanitization policies permit SVG animate or set elements, attacker-supplied SVG can use those elements to assign a javascript: URL to an anchor href attribute. The resulting stored cross-site scripting payload executes attacker-controlled JavaScript in the application origin when a user clicks the crafted SVG link.
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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.
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Patch, then assume compromise.
No public exploits tracked yet. Mallory keeps watching.
No public exploit code observed for this vulnerability.
1 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
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.