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TI-2026-61826 Aliases CVE-2026-90977GHSA-whxq-7ph8-rv4q

Clean Login < 1.19 - Unauthenticated CAPTCHA Bypass via Empty Session Comparison

Priority LOW 30CWE-697Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
Low · None · None
Fix status
Fixed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA.

Summary

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.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00374 31st percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA
Fix Fixed Clean Login (Unknown): 1.19

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
Yes
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
UnknownClean Loginbefore 1.191.19Patch availableCNA
  • Clean Login VendorUnknown Affected before 1.19 Fixed in 1.19 Patch available CNA

Remediation

  • Fix · CNA Clean Login (Unknown) Fixed in 1.19

Fixed in the same release

Records fixed by the same vendor advisory or release, as the CNA lists them.

  • Release ·

    Clean Login 1.19

    2 records Highest priority Priority LOW 2 LOW

    Other records, highest priority first

    • TI-2026-61825 Clean Login < 1.19 - Unauthenticated Account Creation with Registration DisabledPriority LOW 30
    Show all 2 records →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-90977
  2. 2026-10-03 Alias added: GHSA-whxq-7ph8-rv4q

References

Exploit 1

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences