What’s Vulnerable › Vulnerabilities

CVE-2021-24329: WP Super Cache < 1.7.3 - Authenticated Stored Cross-Site Scripting (XSS)

• Severity: medium (CVSS 5.4 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 4.5% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2021-06-01 · updated 2026-06-17
• Weakness: CWE-79

Description

The WP Super Cache WordPress plugin before 1.7.3 did not properly sanitise its wp_cache_location parameter in its settings, which could lead to a Stored Cross-Site Scripting issue.

Affected products

• WP Super Cache: before 1.7.3 — fixed in 1.7.3

How to fix

Upgrade to a fixed version: WP Super Cache 1.7.3. Check the vendor advisory for mitigations.

References

• https://m0ze.ru/vulnerability/%5B2021-03-23%5D-%5BWordPress%5D-%5BCWE-79%5D-WP-Super-Cache-WordPress-Plugin-v1.7.2.txt
• https://wpscan.com/vulnerability/9df86d05-1408-4c22-af55-5e3d44249fd0
• https://m0ze.ru/vulnerability/%5B2021-03-23%5D-%5BWordPress%5D-%5BCWE-79%5D-WP-Super-Cache-WordPress-Plugin-v1.7.2.txt
• https://wpscan.com/vulnerability/9df86d05-1408-4c22-af55-5e3d44249fd0

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