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.
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.022 (82.1th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 82nd percentile — 82.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.022 · newest: 0.022 · change: 0.000
Affected products
- Xwiki — versions 3.4, 3.5, 15.0
- Xwiki Xwiki-Platform — versions >= 3.4-milestone-1, < 14.10.5, >= 15.0-rc-1, < 15.1-rc-1
Weakness classification (CWE)
Public proof-of-concept exploits
References
- github.com/xwiki/xwiki-platform/security/advisories/GHSA-x234-mg7q-m8g8 (Vendor Advisory)
- github.com/xwiki/xwiki-platform/commit/5c20ff5e3bdea50f1053fe99a27e011b8d0e4b34 (Patch, Vendor Advisory)
- jira.xwiki.org/browse/XWIKI-20583 (Issue Tracking, Vendor Advisory)
- jira.xwiki.org/browse/XWIKI-20612 (Permissions Required, Issue Tracking, Vendor Advisory)
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.