CVE-2026-61824
Reflected/DOM XSS in Defuddle extractors allows attacker JS execution when rendered.
Is CVE-2026-61824 being exploited?
Not confirmed. CVE-2026-61824 does not appear in CISA's Known Exploited Vulnerabilities catalog, which records only exploitation that has been observed and reported publicly. That is evidence of absence of a report, not evidence the flaw is unattacked. EPSS currently estimates a 0.23% probability of exploitation in the next 30 days.
How severe is CVE-2026-61824?
CVE-2026-61824 is rated High with a CVSS score of 8.2. Severity describes how bad exploitation would be, not how likely it is: pair it with exploitation evidence before deciding what to patch first.
Is there a patch for CVE-2026-61824?
Yes. A fix has been recorded for CVE-2026-61824. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What does CVE-2026-61824 affect?
CVE-2026-61824 affects Defuddle < 0.19.1, src/extractors/x-article.ts, src/extractors/substack.ts, src/extractors/youtube.ts, and 1 further product or version. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-61824?
Upgrade to Defuddle v0.19.1 and ensure extracted HTML is properly escaped/sanitized before rendering.
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Cross-site scripting: attacker-controlled JS can execute in victims' browsers when extracted HTML is rendered, enabling session theft, redirect, or supply-chain injection.
Patch when possible
- affected< 0.19.1
As published in the CVE Program record. A version outside these ranges is not a statement that it is unaffected — vendors sometimes understate a range, and distribution-backported builds carry upstream numbers that do not reflect what was patched into them.