What is CVE-2024-55279?

CVE-2024-55279 is a medium-severity vulnerability in Uguu, classified under Cross-site Scripting. CVSS score: 6.0/10. Published 2025-03-24.

How severe is CVE-2024-55279?

Medium severity. CVSS v3 base score is 6.0 out of 10.

XSS in Uguu

CVE-2024-55279

Uguu through 1.8.9 allows Cross Site Scripting (XSS) via JavaScript in XML files.

Vulnerability class: XSS (Cross-Site Scripting)

Published 2025-03-24 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 6.0 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:L/I:L/A:L.

EPSS exploit prediction

EPSS: 0.003 (19.1th percentile), scored 2026-10-02.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 19th percentile — 19.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: +0.000

Affected products

Uguu

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

github.com/nokonoko/Uguu/ (Product)
codeberg.org/zypressen/CVE-2024-55279 (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2024-55279?: CVE-2024-55279 is a medium-severity vulnerability in Uguu, classified under Cross-site Scripting. CVSS score: 6.0/10. Published 2025-03-24.
How severe is CVE-2024-55279?: Medium severity. CVSS v3 base score is 6.0 out of 10.