CVE-2026-14334
Unauthenticated SVG upload enables stored XSS in Booking calendar WordPress plugin.
Is CVE-2026-14334 being exploited?
Not confirmed. CVE-2026-14334 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 0.36% probability of exploitation in the next 30 days.
How severe is CVE-2026-14334?
CVE-2026-14334 is rated High with a CVSS score of 8.8. 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-2026-14334?
Yes. A fix has been recorded for CVE-2026-14334. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What does CVE-2026-14334 affect?
CVE-2026-14334 affects Booking calendar / Appointment Booking System WordPress plugin <=3.2.36, WordPress sites using that plugin, Site admins who review submitted bookings. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-14334?
Update plugin to patched version; block/scan SVG uploads; remove untrusted SVGs.
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Attackers can upload malicious SVGs that execute arbitrary JavaScript in admin/visitor sessions, enabling persistent XSS, account takeover, CSRF, or malware delivery.
Immediate action required
- affected>= 3.2.18 and <= 3.2.36
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.