XWiki XSS via Resubmit Template 2.5Milestone2+ fixed 14.10.5/15.1
CVE-2023-35160 Published on June 23, 2023
XWiki Platform vulnerable to reflected cross-site scripting via back and xcontinue parameters in resubmit template
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 resubmit template to perform a XSS, e.g. by using URL such as: > xwiki/bin/view/XWiki/Main xpage=resubmit&resubmit=javascript:alert(document.domain)&xback=javascript:alert(document.domain). This vulnerability exists since XWiki 2.5-milestone-2. The vulnerability has been patched in XWiki 14.10.5 and 15.1-rc-1.
Vulnerability Analysis
CVE-2023-35160 is exploitable with network access, requires user interaction. This vulnerability is considered to have a low attack complexity. Public availability of a proof of concept (POC) exploit exists for CVE-2023-35160. The potential impact of an exploit of this vulnerability is considered to be critical as this vulnerability has a high impact to the confidentiality, integrity and availability of this component.
Weakness Type
Improper Neutralization of Alternate XSS Syntax
The software does not neutralize or incorrectly neutralizes user-controlled input for alternate script syntax.
Products Associated with CVE-2023-35160
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Affected Versions
xwiki-platform:- Version >= 2.5-milestone-2, < 14.10.5 is affected.
- Version >= 15.0-rc-1, < 15.1-rc-1 is affected.
Exploit Probability
EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.