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CVE-2026-24351— Stored XSS in PluXml CMS

Quick assessment

Affected
PluXml PluXml CMS
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

PluXml CMS是法国PluXml公司的一个无数据库内容管理系统。 PluXml CMS 5.8.21版本和5.9.0-rc7版本存在跨站脚本漏洞，该漏洞源于静态页面编辑功能存在存储型跨站脚本，可能导致注入任意HTML和JS。

AI Predicted 5.4 Difficulty: Trivial EPSS 0.18% · P7

Possible ATT&CK Techniques 1 AI

T1059.007 · JavaScript
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I. Basic Information for CVE-2026-24351

Vulnerability Information
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Vulnerability Title
Stored XSS in PluXml CMS
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N
Source: CVE Program / CVE List V5
Vulnerability Type
在Web页面生成时对输入的转义处理不恰当(跨站脚本)
Source: CVE Program / CVE List V5
Vulnerability Title
PluXml CMS 跨站脚本漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
PluXml CMS是法国PluXml公司的一个无数据库内容管理系统。 PluXml CMS 5.8.21版本和5.9.0-rc7版本存在跨站脚本漏洞，该漏洞源于静态页面编辑功能存在存储型跨站脚本，可能导致注入任意HTML和JS。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
PluXml PluXml CMS 5.9.0-rc7 -

II. Public POCs for CVE-2026-24351

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III. Intelligence Information for CVE-2026-24351

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Same Patch Batch · PluXml · 2026-02-27 · 3 CVEs total

CVE-2026-24352 Session Fixation in PluXml CMS
CVE-2026-24350 Stored XSS in PluXml CMS

IV. Related Vulnerabilities

Same product: PluXml CMS
Same vendor: PluXml
Same weakness: CWE-79

V. Comments for CVE-2026-24351

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