CVE-2026-108686 json
WP Post Author < 4.2.0 - Unauthenticated reCAPTCHA Secret Key Disclosure
published 11d ago modified 11d ago also EUVD-2026-112619
- cvss
- 3.7
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.2%
- EPSS 0.2% chance of exploitation in 30 days, percentile 12%
- public exploits
- 0
- none known
Summary
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.
Patch / fix
- Unknown WP Post Author 4.2.0
Is CVE-2026-108686 in your stack? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.
Check with FencerCISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- partial
- Assessed
- 11d ago
Exploit prediction
0.22% chance of exploitation in the next 30 days, higher than 12% of all scored CVEs (FIRST EPSS, 2026-11-09).
Exploits and checks
- wpscan.com https://wpscan.com/vulnerability/50b39d25-51dc-49b4-8480-6a6954af8209/ referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CISA ADP | 3.1 | 3.7 | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N |
| CNA | 3.1 | 3.7 | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N |
Affected products
- Unknown WP Post Author
Classification
- Weakness
-
- CWE-200 Exposure of Sensitive Information to an Unauthorized Actor
- Technology feeds
References
-
wpscan.com
/vulnerability/50b39d25-51dc-49b4-8480-6a6954af8209/
exploit, vdb-entry, technical-description
Sources
- CVE List CVE-2026-108686
- NVD CVE-2026-108686
Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.