XSS in Evona Per Page Add To Head

CVE-2021-24619

The Per page add to head WordPress plugin through 1.4.4 does not properly sanitise one of its setting, allowing malicious HTML to be inserted by high privilege users even when the unfiltered_html capability is disallowed, which could lead to Cross-Site Scripting issues.

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.006 (46.7th 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

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2021-24619?
CVE-2021-24619 is a medium-severity vulnerability in Evona Per Page Add To Head, classified under Cross-site Scripting. CVSS score: 4.8/10. Published 2021-09-13.
How severe is CVE-2021-24619?
Medium severity. CVSS v3 base score is 4.8 out of 10.
Is CVE-2021-24619 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.