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Vulnerabilities

Vulnerability · CVE-2026-24351

PluXml CMS is vulnerable to Stored XSS in Static Pages editing functionality.

Published Feb 27, 2026 · catalog updated Jun 17, 2026 · PluXml CMS is vulnerable

Check if you run it

No confirmed exploitation is on record for CVE-2026-24351. EPSS is 0.18%. Act only if a listed version of PluXml CMS is vulnerable is installed.

Gaps on this record

  • The stored product name is a package slug. The name on this page is taken from the title (PluXml CMS is vulnerable).
  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
Severity
Medium5.1
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
0.18%
Remediation
Not established
Affected products
cpe pluxml/pluxml

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.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • cpe pluxml/pluxml5.8.21
  • cpe pluxml/pluxml5.9.0

How to fix CVE-2026-24351

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2026-24351. EPSS is 0.18%. Act only if a listed version of PluXml CMS is vulnerable is installed.

Which versions are affected?

Compare what you have installed with 5.8.21, 5.9.0. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

CWE-79: Cross-site Scripting (XSS). EPSS 0.18%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Feb 27, 2026 · NIST NVD

    Detected

    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 teste

  2. Jun 17, 2026 · NIST NVD

    Updated

    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 teste

Sources

  • CVE.orgVulnerability recordCVE-2026-24351

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2026-24351

    30-day exploitation probability 0.2%

    first.org
  • NIST NVDVulnerability recordCVE-2026-24351

    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 di

    nvd.nist.gov

References

Freshness

Last verified in this catalog Oct 18, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.