What’s Vulnerable › Vulnerabilities

CVE-2021-24737: Comments - wpDiscuz <= 7.3.0 - Admin+ Stored Cross-Site Scripting

• Severity: medium (CVSS 4.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.6% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2021-10-11 · updated 2026-06-17
• Weakness: CWE-79

Description

The Comments – wpDiscuz WordPress plugin through 7.3.0 does not properly sanitise or escape the Follow and Unfollow messages before outputting them in the page, which could allow high privilege users to perform Stored Cross-Site Scripting attacks even when the unfiltered_html capability is disallowed.

Affected products

• gVectors wpDiscuz: through 7.3.0

References

• https://wpscan.com/vulnerability/f51a350c-c46d-4d52-b787-762283625d0b
• https://wpscan.com/vulnerability/f51a350c-c46d-4d52-b787-762283625d0b

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