CVE-2026-76612
Unauthenticated stored XSS in YOOtheme Zoo Joomla extension (<4.1.66).
Is CVE-2026-76612 being exploited?
Not confirmed. CVE-2026-76612 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 0.35% probability of exploitation in the next 30 days.
How severe is CVE-2026-76612?
CVE-2026-76612 is rated High with a CVSS score of 8.6. 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-2026-76612?
Yes. A fix has been recorded for CVE-2026-76612. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What does CVE-2026-76612 affect?
CVE-2026-76612 affects YOOtheme Zoo < 4.1.66, Joomla sites using the Zoo extension. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-76612?
Upgrade Zoo to >=4.1.66 immediately; remove/scan user content and sanitize inputs.
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Unauthenticated stored XSS lets attackers run JS in victim browsers, steal sessions/cookies, perform CSRF, and potentially hijack accounts including admins.
Immediate action required
- affected1.0.0-4.1.65
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.