CVE-2026-24351

MEDIUM

PluXml CMS 5.8.21/5.9.0-rc7 - Stored XSS

Title source: llm
STIX 2.1

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.

References (2)

Core 2
Core References
Various Sources third-party-advisory
https://cert.pl/posts/2026/03/CVE-2026-24350
Various Sources product
https://pluxml.org/

Scores

CVSS v3 5.4
EPSS 0.0018
EPSS Percentile 7.4%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

CWE
CWE-79
Status published
Products (3)
pluxml/pluxml 5.8.9 rc7
pluxml/pluxml 5.8.21
pluxml/pluxml 5.9.0 rc7
Published Feb 27, 2026
Tracked Since Feb 27, 2026