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Medium 5.3Published Sep 18, 2026
CVE-2026-90977Clean Login < 1.19 - Unauthenticated CAPTCHA Bypass via Empty Session Comparison
Updated under an hour ago ()
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It affects Unknown Clean Login. Add what you run to find out whether that includes you.
No exploitation reported and no EPSS estimate yet.
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The Clean Login WordPress plugin before 1.19 does not verify its registration CAPTCHA when the stored session value is empty, allowing unauthenticated users to bypass the anti-automation control on the registration form and create accounts without solving it.
- CVSS
- 5.3 MEDIUM (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
- Weakness (CWE)
- CWE-697
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- WPScan
- NVD analysis
- Deferred
- Record last updated
- Sep 18, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
Unknown Clean Login unknown:clean_login (from the name) | before 1.19 | CNA record |
References
- https://wpscan.com/vulnerability/368db83e-ed7b-4f67-99db-2e5f1c01568e/exploit, vdb-entry, technical-description
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.