CVE-2026-24351
Analyzed Analyzed - Analysis Complete
Stored XSS in PluXml Static Pages Allows Script Injection

Publication date: 2026-02-27

Last updated on: 2026-05-19

Assigner: CERT.PL

Description
PluXml CMS is vulnerable to Stored XSS in Static Pages editing functionality. Attacker with editing privileges can inject arbitrary HTML and JS into website, which will be rendered/executed when visiting edited page. The vendor was notified early about this vulnerability, but didn't respond with the details of vulnerability or vulnerable version range. Only versions 5.8.21 and 5.9.0-rc7 were tested and confirmed as vulnerable, other versions were not tested and might also be vulnerable.
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Meta Information
Published
2026-02-27
Last Modified
2026-05-19
Generated
2026-06-16
AI Q&A
2026-02-27
EPSS Evaluated
2026-06-15
NVD
CVE-2026-24351
EUVD
EUVD-2026-9023
Affected Vendors & Products
Showing 2 associated CPEs
Vendor Product Version / Range
pluxml pluxml 5.8.21
pluxml pluxml 5.9.0
Helpful Resources
Exploitability
CWE
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KEV
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CWE ID Description
CWE-79 The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.
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Executive Summary

This vulnerability affects PluXml CMS and is a Stored Cross-Site Scripting (XSS) issue in the Static Pages editing functionality.

An attacker who has editing privileges can inject arbitrary HTML and JavaScript code into the website's static pages.

When other users visit the edited page, the injected code will be rendered and executed in their browsers.

Impact Analysis

The impact of this vulnerability includes the potential execution of malicious scripts in the browsers of users visiting the affected pages.

This can lead to theft of user data, session hijacking, defacement of the website, or distribution of malware.

Since the attacker needs editing privileges, the risk depends on the level of access control and trust given to users with such privileges.

Compliance Impact

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Detection Guidance

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Mitigation Strategies

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