XSS in Xwiki

CVE-2023-35159

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). It's possible to exploit the deletespace template to perform a XSS, e.g. by using URL such as: > xwiki/bin/deletespace/Sandbox/?xredirect=javascript:alert(document.domain). This vulnerability exists since XWiki 3.4-milestone-1. The vulnerability has been patched in XWiki 14.10.5 and 15.1-rc-1.

EPSS: 0.022 (81.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.6 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2023-35159?
CVE-2023-35159 is a critical-severity vulnerability in Xwiki, classified under Improper Neutralization of Alternate XSS Syntax. CVSS score: 9.6/10. Published 2023-06-23.
How severe is CVE-2023-35159?
Critical severity. CVSS v3 base score is 9.6 out of 10.
Is CVE-2023-35159 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.