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CVE-2024-11831 is an improper input-sanitization vulnerability in the npm serialize-javascript package. Serialization of certain JavaScript object types, including regular expressions, can produce attacker-controlled JavaScript that is not safely escaped. When the resulting serialized value is delivered to a browser and embedded in an executable client-side context, the injected code can execute as cross-site scripting.
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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.
13 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
A cross-site scripting vulnerability in serialize-javascript.
A cross-site scripting vulnerability in npm serialize-javascript.
A cross-site scripting vulnerability in npm-serialize-javascript (serialize-javascript).
A cross-site scripting vulnerability in npm serialize-javascript, fixed in the RHACS 4.4.8 update.
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.