CVE-2023-29516

Critical

Description

XWiki Platform is a generic wiki platform offering runtime services for applications built on top of it. Any user with view rights on `XWiki.AttachmentSelector` can execute arbitrary Groovy, Python or Velocity code in XWiki leading to full access to the XWiki installation. The root cause is improper escaping in the "Cancel and return to page" button. This page is installed by default. This vulnerability has been patched in XWiki 15.0-rc-1, 14.10.1, 14.4.8, and 13.10.11. There are no known workarounds for this vulnerability.

SeverityCritical
CVSS9.9
Exploit probability—
ProductXwiki
PublishedApr 19, 2023
First seenApr 19, 2023
Weakness typeCWE-74Injection

How to fix

Update
  • xwiki xwiki13.10.11, 14.4.8, 14.10.1 or later
  • org.xwiki.platform:xwiki-platform-attachment-ui13.10.11, 14.4.8, 14.10.1 or later

Affected products

ProductAffected versionsFixed in
xwiki xwikiv < 13.10.11, 14.0 ≤ v < 14.4.8, 14.5 ≤ v < 14.10.113.10.11, 14.4.8, 14.10.1
org.xwiki.platform:xwiki-platform-attachment-uiMaven2.0-rc-2 ≤ v < 13.10.11, 14.0-rc-1 ≤ v < 14.4.8, 14.5 ≤ v < 14.10.113.10.11, 14.4.8, 14.10.1

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CVE-2023-29516 · Xwiki · Dark Radar