CVE-2026-8760Login with OTP <= 1.6 - Unauthenticated Authentication Bypass via OTP Brute Force
Updated under an hour ago ()
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No exploitation reported and no EPSS estimate yet.
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The Login with OTP plugin for WordPress is vulnerable to authentication bypass in all versions up to, and including, 1.6. This is due to an incomplete fix for CVE-2024-11178: the rate-limit/lockout check added to `otpl_login_action()` was placed only inside the OTP-generation branch and is never evaluated on the OTP-validation branch, and the generated 6-digit OTP additionally has no expiration. This makes it possible for unauthenticated attackers to brute-force the 900,000-value OTP space for any user account (including administrators) and obtain a valid `wp_set_auth_cookie()` session, leading to full site compromise.
- CVSS
- 9.8 CRITICAL (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- Weakness (CWE)
- CWE-307
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- Wordfence
- NVD analysis
- Deferred
- Record last updated
- May 27, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
india-web-developer Login with OTP india_web_developer:login_with_otp (from the name) | through 1.6 | CNA record |
References
- https://www.wordfence.com/threat-intel/vulnerabilities/id/ad22cb24-e6a0-456f-afe8-88a39acd97d3?source=cve
- https://plugins.trac.wordpress.org/browser/otp-login/tags/1.6/lib/otpl-class.php#L419
- https://plugins.trac.wordpress.org/browser/otp-login/trunk/lib/otpl-class.php#L419
- https://plugins.trac.wordpress.org/browser/otp-login/tags/1.6/lib/otpl-class.php#L424
- https://plugins.trac.wordpress.org/browser/otp-login/trunk/lib/otpl-class.php#L424
- https://plugins.trac.wordpress.org/browser/otp-login/tags/1.6/lib/otpl-class.php#L427
- https://plugins.trac.wordpress.org/browser/otp-login/trunk/lib/otpl-class.php#L427
- https://plugins.trac.wordpress.org/browser/otp-login/tags/1.6/lib/otpl-class.php#L361
- https://plugins.trac.wordpress.org/browser/otp-login/trunk/lib/otpl-class.php#L361
- https://nvd.nist.gov/vuln/detail/CVE-2024-11178
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.