What is CVE-2023-0876?

CVE-2023-0876 is a medium-severity vulnerability in Joomunited Wp Meta Seo, classified under CWE-601 URL REDIRECTION TO UNTRUSTED SITE ('OPEN REDIRECT'). CVSS score: 6.1/10. Published 2023-03-20.

How severe is CVE-2023-0876?

Medium severity. CVSS v3 base score is 6.1 out of 10.

Is CVE-2023-0876 known to be exploited?

2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Vulnerability in Joomunited Wp Meta Seo

CVE-2023-0876

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.

Published 2023-03-20 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.

EPSS exploit prediction

EPSS: 0.007 (51.7th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 52nd percentile — 51.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.007 · newest: 0.007 · change: 0.000

Affected products

Joomunited Wp Meta Seo
Wp Meta Seo — versions 0

Public proof-of-concept exploits

References

wpscan.com/vulnerability/1a8c97f9-98fa-4e29-b7f7-bb9abe0c42ea (Exploit, technical-description, Third Party Advisory, exploit, vdb-entry)

Frequently asked questions

What is CVE-2023-0876?: CVE-2023-0876 is a medium-severity vulnerability in Joomunited Wp Meta Seo, classified under CWE-601 URL REDIRECTION TO UNTRUSTED SITE ('OPEN REDIRECT'). CVSS score: 6.1/10. Published 2023-03-20.
How severe is CVE-2023-0876?: Medium severity. CVSS v3 base score is 6.1 out of 10.
Is CVE-2023-0876 known to be exploited?: 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.