CVE-2022-3907 json
Clerk < 4.0.0 - Authentication Bypass and API Keys Disclosure
published 2022-12-05 3 y ago modified 2026-06-17 4 mo ago also EUVD-2022-43243
- cvss
- 7.5
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.9%
- EPSS 0.9% chance of exploitation in 30 days, percentile 61%
- public exploits
- 0
- none known
Summary
The Clerk WordPress plugin before 4.0.0 is affected by time-based attacks in the validation function for all API requests due to the usage of comparison operators to verify API keys against the ones stored in the site options.
Patch / fix
- Unknown Clerk 4.0.0
CISA SSVC
- Exploitation
- Proof of concept is public
- Automatable
- yes
- Technical impact
- partial
- Assessed
- 18 mo ago
Exploit prediction
0.94% chance of exploitation in the next 30 days, higher than 61% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- wpscan.com https://wpscan.com/vulnerability/7920c1c1-709d-4b1f-ac08-f0a02ddb329c referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CISA ADP | 3.1 | 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N |
| NVD | 3.1 | 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N |
| CNA | 3.1 | 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N |
Affected products
- Unknown Clerk
Classification
- Weakness
-
- CWE-203 Observable Discrepancy
- Technology feeds
References
-
wpscan.com
/vulnerability/7920c1c1-709d-4b1f-ac08-f0a02ddb329c
exploit, vdb-entry, technical-description, third-party-advisory
Sources
- CVE List CVE-2022-3907
- NVD CVE-2022-3907
Fencer Vulns 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.