CVE-2026-3655
WordPress OTP plugin auth bypass enables admin impersonation via Firebase.
Is CVE-2026-3655 being exploited?
Not confirmed. CVE-2026-3655 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 0.51% probability of exploitation in the next 30 days.
How severe is CVE-2026-3655?
CVE-2026-3655 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-2026-3655?
Yes. A fix has been recorded for CVE-2026-3655. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What does CVE-2026-3655 affect?
CVE-2026-3655 affects WordPress, OTP Login With Phone Number plugin (v1.8.50–1.8.60). Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-3655?
Upgrade to latest plugin version; review admin accounts; enable MFA.
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Unauthenticated attacker can impersonate any user (incl. admins) using their Firebase session and a victim's phone number.
Patch when possible
- affected>= 1.8.50 and <= 1.8.60
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.