CVE-2026-16142
Unauthenticated email-change allows WordPress account takeover via TrueBooker plugin
Is CVE-2026-16142 being exploited?
Not confirmed. CVE-2026-16142 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 0.38% probability of exploitation in the next 30 days.
How severe is CVE-2026-16142?
CVE-2026-16142 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-2026-16142?
Yes. A fix has been recorded for CVE-2026-16142. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What does CVE-2026-16142 affect?
CVE-2026-16142 affects TrueBooker WordPress plugin ≤ 1.2.6, WordPress sites using TrueBooker. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-16142?
Update TrueBooker to patched version; or disable plugin and block add_front_user_update AJAX endpoint.
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Unauthenticated attacker can change any user's email and use password reset to fully takeover accounts, including administrators.
Immediate action required
- affected<= 1.2.6
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.