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.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| PluXml | PluXml CMS | 5.9.0-rc7, 5.8.21 | — |
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 22.04 LTS | pluxml | No fix yet | — |
| Ubuntu 20.04 LTS | pluxml | No fix yet | — |
| Ubuntu 18.04 LTS | pluxml | No fix yet | — |
| Ubuntu 16.04 LTS | pluxml | No fix yet | — |
References
- https://cert.pl/posts/2026/03/CVE-2026-24350 third-party-advisory
- https://pluxml.org/ product