CVE-2023-0477 json
Auto Featured Image < 3.9.16 - Author+ Arbitrary File Upload
published 2023-03-13 3 y ago modified 2026-06-17 4 mo ago also EUVD-2023-12529
- cvss
- 8.8
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.6%
- EPSS 1.6% chance of exploitation in 30 days, percentile 76%
- public exploits
- 0
- none known
Summary
The Auto Featured Image (Auto Post Thumbnail) WordPress plugin before 3.9.16 includes an AJAX endpoint that allows any user with at least Author privileges to upload arbitrary files, such as PHP files. This is caused by incorrect file extension validation.
Patch / fix
- Unknown Auto Featured Image (Auto Post Thumbnail) 3.9.16
CISA SSVC
- Exploitation
- Proof of concept is public
- Automatable
- no
- Technical impact
- total
- Assessed
- 20 mo ago
Exploit prediction
1.65% chance of exploitation in the next 30 days, higher than 76% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- wpscan.com https://wpscan.com/vulnerability/e5ef74a2-e04a-4a14-bd0e-d6910cd1c4b4 referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 8.8 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
Affected products
- Unknown Auto Featured Image (Auto Post Thumbnail)
Classification
- Weakness
-
- CWE-434 Unrestricted Upload of File with Dangerous Type
- Technology feeds
References
-
wpscan.com
/vulnerability/e5ef74a2-e04a-4a14-bd0e-d6910cd1c4b4
exploit, vdb-entry, technical-description, third-party-advisory
Sources
- CVE List CVE-2023-0477
- NVD CVE-2023-0477
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.