What is CVE-2021-25894?

CVE-2021-25894 is a medium-severity vulnerability in Magnolia-Cms Magnolia Cms, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2021-04-02.

How severe is CVE-2021-25894?

Medium severity. CVSS v3 base score is 6.1 out of 10.

XSS in Magnolia-Cms Magnolia Cms

CVE-2021-25894

Magnolia CMS from 6.1.3 to 6.2.3 contains a stored cross-site scripting (XSS) vulnerability in the /magnoliaPublic/travel/members/login.html mgnlUserId parameter.

Vulnerability class: XSS (Cross-Site Scripting)

Published 2021-04-02 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.

EPSS exploit prediction

EPSS: 0.011 (65.8th percentile), scored 2026-10-29.

Low probability of exploitation in the next 30 days, but still tracked. 66th percentile — 65.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.011 · newest: 0.011 · change: 0.000

Affected products

Magnolia-Cms Magnolia Cms

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

www.itas.vn/itas-security-team-found-multi-vulnerabilities-on-magnolia-cms-plat… (Exploit, Third Party Advisory)
www.magnolia-cms.com/ (Vendor Advisory)
git.magnolia-cms.com/projects/MODULES/repos/public-user-registration/commits/80… (Patch, Vendor Advisory)

Frequently asked questions

What is CVE-2021-25894?: CVE-2021-25894 is a medium-severity vulnerability in Magnolia-Cms Magnolia Cms, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2021-04-02.
How severe is CVE-2021-25894?: Medium severity. CVSS v3 base score is 6.1 out of 10.