What’s Vulnerable › Vulnerabilities

CVE-2021-24893: Stars Rating < 3.5.1 - Comments Denial of Service

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.6% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2022-01-03 · updated 2026-06-17
• Weakness: CWE-400

Description

The Stars Rating WordPress plugin before 3.5.1 does not validate the submitted rating, allowing submission of long integer, causing a Denial of Service in the comments section, or pending comment dashboard depending if the user sent it as unauthenticated or authenticated.

Affected products

• Stars Rating: before 3.5.1 — fixed in 3.5.1

How to fix

Upgrade to a fixed version: Stars Rating 3.5.1. Check the vendor advisory for mitigations.

References

• https://wpscan.com/vulnerability/05d3af69-20b4-499a-8322-2b53674d6a58
• https://wpscan.com/vulnerability/05d3af69-20b4-499a-8322-2b53674d6a58

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