What is CVE-2024-5521?

CVE-2024-5521 is a medium-severity vulnerability in Alkacon Opencms, classified under Cross-site Scripting. CVSS score: 6.4/10. Published 2024-05-30.

How severe is CVE-2024-5521?

Medium severity. CVSS v3 base score is 6.4 out of 10.

XSS in Alkacon Opencms

CVE-2024-5521

Two Cross-Site Scripting vulnerabilities have been discovered in Alkacon's OpenCMS affecting version 16, which could allow a user having the roles of gallery editor or VFS resource manager will have the permission to upload images in the .svg format containing JavaScript code. The code will be executed the moment another user accesses the image.

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.003 (17.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N.

Affected products

Alkacon Opencms — versions 16, 16.0.0

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

cve-coordination@incibe.es (Third Party Advisory)

Frequently asked questions

What is CVE-2024-5521?: CVE-2024-5521 is a medium-severity vulnerability in Alkacon Opencms, classified under Cross-site Scripting. CVSS score: 6.4/10. Published 2024-05-30.
How severe is CVE-2024-5521?: Medium severity. CVSS v3 base score is 6.4 out of 10.