CVE-2023-35155: XWiki Platform vulnerable to cross-site scripting in target parameter via share page by email

Severity: medium (CVSS 6.1 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.5% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2023-06-23 · updated 2026-06-17
Weakness: CWE-79

Description

XWiki Platform is a generic wiki platform offering runtime services for applications built on top of it. Users are able to forge an URL with a payload allowing to inject Javascript in the page (XSS). For instance, the following URL execute an `alter` on the browser: `<xwiki-host>/xwiki/bin/view/Main/?viewer=share&send=1&target=&target=%3Cimg+src+onerror%3Dalert%28document.domain%29%3E+%3Cimg+src+onerror%3Dalert%28document.domain%29%3E+%3Crenniepak%40intigriti.me%3E&includeDocument=inline&message=I+wanted+to+share+this+page+with+you.`, where `<xwiki-host>` is the URL of your XWiki installation. The vulnerability has been patched in XWiki 15.0-rc-1, 14.10.4, and 14.4.8.

Affected products

xwiki-platform: before 14.4.8; from 14.10 before 14.10.4 — fixed in 14.10.4, 14.4.8

How to fix

Upgrade to a fixed version: xwiki-platform 14.10.4, 14.4.8. Check the vendor advisory for mitigations.

References

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