CVE-2026-66613
Unauthenticated RCE in JetEngine <=3.8.14 WordPress plugin
Is CVE-2026-66613 being exploited?
Not confirmed. CVE-2026-66613 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 0.48% probability of exploitation in the next 30 days.
How severe is CVE-2026-66613?
CVE-2026-66613 is rated Critical with a CVSS score of 9.8. 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-2026-66613?
Yes. A fix has been recorded for CVE-2026-66613. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What does CVE-2026-66613 affect?
CVE-2026-66613 affects JetEngine <= 3.8.14, WordPress sites using JetEngine plugin, Web servers hosting affected sites. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-66613?
Update JetEngine to latest (>3.8.14); isolate and scan affected sites
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Unauthenticated remote code execution enabling full site takeover, backdoor install, data theft, and lateral movement from affected sites.
Immediate action required
- affected<= 3.8.14
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.