CVE-2026-3655The OTP Login With Phone Number, OTP Verification plugin for WordPress is vulnerable to authentication bypass in versions 1.8.50 through 1.8.60.
Updated under an hour ago ()
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No exploitation reported and no EPSS estimate yet.
The OTP Login With Phone Number, OTP Verification plugin for WordPress is vulnerable to authentication bypass in versions 1.8.50 through 1.8.60. This is due to the Firebase verification flow in the `lwp_ajax_register` AJAX handler not binding the Firebase session to the phone number supplied in the request. The `idehweb_lwp_activate_through_firebase()` function validates that a Firebase OTP session is legitimate, but the `phoneNumber` returned by Firebase is never compared against the victim's stored phone number. This makes it possible for unauthenticated attackers to authenticate as any user who has a phone number stored in user meta, including administrators, by verifying their own Firebase session and supplying the victim's phone number in the same request.
- CVSS
- 9.8 CRITICAL (v3.1, NVD)CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- Weakness (CWE)
- CWE-287
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- Not given
- NVD analysis
- Deferred
- Record last updated
- Jul 21, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
No affected products are listed yet.
References
- https://plugins.trac.wordpress.org/browser/login-with-phone-number/tags/1.8.60/inc/ajax-handlers.php#L1167
- https://plugins.trac.wordpress.org/browser/login-with-phone-number/tags/1.8.60/inc/ajax-handlers.php#L649
- https://plugins.trac.wordpress.org/browser/login-with-phone-number/tags/1.8.60/inc/ajax-handlers.php#L659
- https://plugins.trac.wordpress.org/browser/login-with-phone-number/trunk/inc/ajax-handlers.php#L649
- https://plugins.trac.wordpress.org/changeset/3479314/login-with-phone-number/trunk/inc/ajax-handlers.php?old=3455810&old_path=login-with-phone-number%2Ftrunk%2Finc%2Fajax-handlers.php
- https://www.wordfence.com/threat-intel/vulnerabilities/id/7fc410f2-5f2b-4eea-a0fb-fe58f988f95f?source=cve
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.