CVE-2026-18776
Unauthenticated email-change in TrueBooker plugin enables admin takeover via password reset.
Is CVE-2026-18776 being exploited?
Not confirmed. CVE-2026-18776 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 0.34% probability of exploitation in the next 30 days.
How severe is CVE-2026-18776?
CVE-2026-18776 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-2026-18776?
Yes. A fix has been recorded for CVE-2026-18776. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What does CVE-2026-18776 affect?
CVE-2026-18776 affects TrueBooker WordPress plugin < 1.2.7, WordPress sites using TrueBooker, Site admin accounts. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-18776?
Update TrueBooker to >=1.2.7; verify/reset admin emails and passwords; enable MFA; review logs.
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Unauthenticated attackers can change any user's email, trigger password reset, and gain administrative account control.
Immediate action required
- affected< 1.2.7
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.