What is CVE-2024-55341?

CVE-2024-55341 is a medium-severity vulnerability in Dotnetfoundation Piranha Cms, classified under Cross-site Scripting. CVSS score: 4.7/10. Published 2024-12-20.

How severe is CVE-2024-55341?

Medium severity. CVSS v3 base score is 4.7 out of 10.

XSS in Dotnetfoundation Piranha Cms

CVE-2024-55341

A stored cross-site scripting (XSS) vulnerability in Piranha CMS 11.1 allows remote attackers to execute arbitrary JavaScript in the web browser of a user, by creating a page via the /manager/pages and then adding a markdown content with the XSS payload.

Vulnerability class: XSS (Cross-Site Scripting)

Published 2024-12-20 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 4.7 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:N/A:N.

EPSS exploit prediction

EPSS: 0.005 (37.0th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 37th percentile — 37.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.004 · newest: 0.005 · change: +0.000

Affected products

Dotnetfoundation Piranha Cms — versions 11.1

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

github.com/PiranhaCMS/piranha.core (Product)
sec-fortress.github.io/posts/articles/posts/CVE-2024-55341.html (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2024-55341?: CVE-2024-55341 is a medium-severity vulnerability in Dotnetfoundation Piranha Cms, classified under Cross-site Scripting. CVSS score: 4.7/10. Published 2024-12-20.
How severe is CVE-2024-55341?: Medium severity. CVSS v3 base score is 4.7 out of 10.