What’s Vulnerable › Vulnerabilities

CVE-2023-0876: WP Meta SEO < 4.5.3 - Subscriber+ Improper Authorization causing Arbitrary Redirect

• Severity: medium (CVSS 6.1 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.7% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2023-03-20 · updated 2026-06-17

Description

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.

Affected products

• joomunited WP Meta SEO: before 4.5.3 — fixed in 4.5.3

How to fix

Upgrade to a fixed version: joomunited WP Meta SEO 4.5.3. Check the vendor advisory for mitigations.

References

• https://wpscan.com/vulnerability/1a8c97f9-98fa-4e29-b7f7-bb9abe0c42ea
• https://wpscan.com/vulnerability/1a8c97f9-98fa-4e29-b7f7-bb9abe0c42ea

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