What’s Vulnerable › Vulnerabilities

CVE-2021-25893

• Severity: medium (CVSS 5.4 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.9% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2021-04-02 · updated 2026-06-17
• Weakness: CWE-79

Description

Magnolia CMS from 6.1.3 to 6.2.3 contains a stored cross-site scripting (XSS) vulnerability in the setText parameter of /magnoliaAuthor/.magnolia/.

Affected products

• Magnolia-Cms Magnolia Cms: from 6.1.3 before 6.1.7; from 6.2.3 before 6.2.4 — fixed in 6.1.7, 6.2.4

How to fix

Upgrade to a fixed version: Magnolia-Cms Magnolia Cms 6.1.7, 6.2.4. Check the vendor advisory for mitigations.

References

• https://docs.magnolia-cms.com/product-docs/Releases/Release-notes-for-Magnolia-CMS-6.2.4.html#ReleasenotesforMagnoliaCMS6.2.4-Notablebugfixes
• https://www.itas.vn/itas-security-team-found-multi-vulnerabilities-on-magnolia-cms-platform/
• https://www.magnolia-cms.com
• https://docs.magnolia-cms.com/product-docs/Releases/Release-notes-for-Magnolia-CMS-6.2.4.html#ReleasenotesforMagnoliaCMS6.2.4-Notablebugfixes
• https://www.itas.vn/itas-security-team-found-multi-vulnerabilities-on-magnolia-cms-platform/
• https://www.magnolia-cms.com

Get alerted when CVE-2021-25893 or the next vulnerability affects your stack