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TI-2026-82294 Aliases CVE-2026-108686GHSA-9288-h947-8qw5

Unauthenticated reCAPTCHA secret key leak in WP Post Author plugin

Priority LOW 17CWE-200Published · Updated

Key facts

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

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-200.

Summary

The WP Post Author WordPress plugin before 4.2.0 does not restrict the integration settings it returns to visitors. This exposure of sensitive information (CWE-200) lets an unauthenticated remote attacker read the reCAPTCHA secret key when one has been saved. The references include an exploit link.

Written with Claude Haiku 5.5 from the sources below · 2026-10-29

Description from the CNA

The WP Post Author WordPress plugin before 4.2.0 does not restrict the integration settings it returns to visitors, allowing unauthenticated users to read the reCAPTCHA secret key when one has been saved.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00216 12th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA
Fix Fixed WP Post Author (Unknown): 4.2.0

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
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
UnknownWP Post Authorbefore 4.2.04.2.0Patch availableCNA
  • WP Post Author VendorUnknown Affected before 4.2.0 Fixed in 4.2.0 Patch available CNA

Remediation

Update the WP Post Author plugin to 4.2.0, the fixed version.

Written with Claude Haiku 5.5 from the sources below · 2026-10-29

  • Fix · CNA WP Post Author (Unknown) Fixed in 4.2.0

Fixed in the same release

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

  • Release ·

    WP Post Author 4.2.0

    2 records Highest priority Priority LOW 2 LOW

    Other records, highest priority first

    • TI-2026-82293 WP Post Author lets visitors overwrite the first user's profilePriority LOW 17
    Show all 2 records →

Timeline

  1. 2026-10-29 Threatist record created from CVE-2026-108686
  2. 2026-10-29 Alias added: GHSA-9288-h947-8qw5
  3. 2026-10-29 CVSS score added · CISA ADP
  4. 2026-10-29 Weakness changed · CISA ADP
  5. 2026-10-29 CISA SSVC decision points changed

References

Exploit 1

Sources

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