What is CVE-2021-24737?

CVE-2021-24737 is a medium-severity vulnerability in Gvectors Wpdiscuz, classified under Cross-site Scripting. CVSS score: 4.8/10. Published 2021-10-11.

How severe is CVE-2021-24737?

Medium severity. CVSS v3 base score is 4.8 out of 10.

Is CVE-2021-24737 known to be exploited?

2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

XSS in Gvectors Wpdiscuz

CVE-2021-24737

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.

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.006 (45.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.8 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N.

Affected products

Gvectors Wpdiscuz
Unknown Comments – Wpdiscuz — versions 7.3.0

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

Public proof-of-concept exploits

References

contact@wpscan.com (Exploit, Third Party Advisory, x_refsource_MISC)

Frequently asked questions

What is CVE-2021-24737?: CVE-2021-24737 is a medium-severity vulnerability in Gvectors Wpdiscuz, classified under Cross-site Scripting. CVSS score: 4.8/10. Published 2021-10-11.
How severe is CVE-2021-24737?: Medium severity. CVSS v3 base score is 4.8 out of 10.
Is CVE-2021-24737 known to be exploited?: 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.