What’s Vulnerable › Vulnerabilities

CVE-2021-25121: Rating by BestWebSoft < 1.6 - Rating Denial of Service

• Severity: medium (CVSS 6.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.2% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2022-06-20 · updated 2026-06-17
• Weakness: CWE-191

Description

The Rating by BestWebSoft WordPress plugin before 1.6 does not validate the submitted rating, allowing submission of long integer, causing a Denial of Service on the post/page when a user submit such rating

Affected products

• Rating by BestWebSoft: before 1.6 — fixed in 1.6

How to fix

Upgrade to a fixed version: Rating by BestWebSoft 1.6. Check the vendor advisory for mitigations.

References

• https://wpscan.com/vulnerability/efb1ddef-2123-416c-a932-856d41ed836d
• https://wpscan.com/vulnerability/efb1ddef-2123-416c-a932-856d41ed836d

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