CVE-2023-0876 json
WP Meta SEO < 4.5.3 - Subscriber+ Improper Authorization causing Arbitrary Redirect
published 2023-03-20 3 y ago modified 2026-06-17 4 mo ago also EUVD-2023-12867
- cvss
- 6.1
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.7%
- EPSS 0.7% chance of exploitation in 30 days, percentile 53%
- public exploits
- 0
- none known, plus a Nuclei check
Summary
The WP Meta SEO WordPress plugin before 4.5.3 does not authorize several ajax actions, allowing low-privilege users to make updates to certain data and leading to an arbitrary redirect vulnerability.
Patch / fix
- Unknown WP Meta SEO 4.5.3
CISA SSVC
- Exploitation
- Proof of concept is public
- Automatable
- no
- Technical impact
- partial
- Assessed
- 20 mo ago
Exploit prediction
0.71% chance of exploitation in the next 30 days, higher than 53% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- Nuclei template WordPress Meta SEO <= 4.5.2 - Open Redirect nuclei detection template
- wpscan.com https://wpscan.com/vulnerability/1a8c97f9-98fa-4e29-b7f7-bb9abe0c42ea referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CISA ADP | 3.1 | 6.1 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N |
| NVD | 3.1 | 6.1 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N |
| CNA | 3.1 | 6.1 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N |
Affected products
- Unknown WP Meta SEO
Classification
- Technology feeds
References
-
wpscan.com
/vulnerability/1a8c97f9-98fa-4e29-b7f7-bb9abe0c42ea
exploit, vdb-entry, technical-description, third-party-advisory
Sources
- CVE List CVE-2023-0876
- NVD CVE-2023-0876
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.