What is CVE-2021-24586?

CVE-2021-24586 is a medium-severity vulnerability in Evona Per Page Add To Head, classified under Cross-site Scripting. CVSS score: 4.3/10. Published 2021-09-13.

How severe is CVE-2021-24586?

Medium severity. CVSS v3 base score is 4.3 out of 10.

Is CVE-2021-24586 known to be exploited?

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

XSS in Evona Per Page Add To Head

CVE-2021-24586

The Per page add to head WordPress plugin before 1.4.4 is lacking any CSRF check when saving its settings, which could allow attackers to make a logged in admin change them. Furthermore, as the plugin allows arbitrary HTML to be inserted in one of the setting (feature mentioned by the plugin), this could lead to Stored XSS issue which will be triggered either in the backend, frontend or both depending on the payload used.

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.005 (39.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N.

Affected products

Evona Per_page_add_to_head
Unknown Per Page Add To Head — versions 1.4.4

Weakness classification (CWE)

Public proof-of-concept exploits

References

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

Frequently asked questions

What is CVE-2021-24586?: CVE-2021-24586 is a medium-severity vulnerability in Evona Per Page Add To Head, classified under Cross-site Scripting. CVSS score: 4.3/10. Published 2021-09-13.
How severe is CVE-2021-24586?: Medium severity. CVSS v3 base score is 4.3 out of 10.
Is CVE-2021-24586 known to be exploited?: 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.