XWiki v13.10.11+/14.4.7+/14.10/ FlamingoThemesCode WebHome Arbitrary Code Exec
CVE-2023-30537 Published on April 16, 2023
org.xwiki.platform:xwiki-platform-flamingo-theme-ui vulnerable to privilege escalation
XWiki Platform is a generic wiki platform offering runtime services for applications built on top of it. Any user with the right to add an object on a page can execute arbitrary Groovy, Python or Velocity code in XWiki leading to full access to the XWiki installation. The root cause is improper escaping of the styles properties `FlamingoThemesCode.WebHome`. This page is installed by default. The vulnerability has been patched in XWiki versions 13.10.11, 14.4.7 and 14.10.
Vulnerability Analysis
CVE-2023-30537 can be exploited with network access, and requires small amount of user privileges. This vulnerability is considered to have a low attack complexity. Public availability of a proof of concept (POC) exploit exists for CVE-2023-30537. The potential impact of an exploit of this vulnerability is considered to have a high impact on confidentiality and integrity, and a small impact on availability.
Weakness Type
What is an Eval Injection Vulnerability?
The software receives input from an upstream component, but it does not neutralize or incorrectly neutralizes code syntax before using the input in a dynamic evaluation call (e.g. "eval"). This may allow an attacker to execute arbitrary code, or at least modify what code can be executed.
CVE-2023-30537 has been classified to as an Eval Injection vulnerability or weakness.
Products Associated with CVE-2023-30537
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Affected Versions
xwiki-platform:- Version >= 12.6.6, < 13.10.11 is affected.
- Version >= 14.0-rc-1, < 14.4.7 is affected.
- Version >= 14.5, < 14.10 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.