What is CVE-2021-24425?

CVE-2021-24425 is a medium-severity vulnerability in Premio Mystickymenu, classified under Cross-site Scripting. CVSS score: 4.8/10. Published 2021-08-02.

How severe is CVE-2021-24425?

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

Is CVE-2021-24425 known to be exploited?

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

XSS in Premio Mystickymenu

CVE-2021-24425

The Floating Notification Bar, Sticky Menu on Scroll, and Sticky Header for Any Theme – myStickymenu WordPress plugin before 2.5.2 does not sanitise or escape its Bar Text settings, allowing hight privilege users to use malicious JavaScript in it, leading to a Stored Cross-Site Scripting issue, which will be triggered in the plugin's setting, as well as all front-page of the blog (when the Welcome bar is active)

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.006 (46.4th 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

Premio Mystickymenu
Unknown Floating Notification Bar, Sticky Menu On Scroll, And Header For Any Theme – Mystickymenu — versions 2.5.2

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

Public proof-of-concept exploits

20142995/nuclei-templates

References

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

Frequently asked questions

What is CVE-2021-24425?: CVE-2021-24425 is a medium-severity vulnerability in Premio Mystickymenu, classified under Cross-site Scripting. CVSS score: 4.8/10. Published 2021-08-02.
How severe is CVE-2021-24425?: Medium severity. CVSS v3 base score is 4.8 out of 10.
Is CVE-2021-24425 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.