Loading...
Skip to main content
GeekWala

CVE-2023-29516 — Vulnerability in...

CRITICAL

XWiki Platform vulnerable to privilege escalation from view right on XWiki.AttachmentSelector

Published April 20, 2023Updated September 10, 2026Source: osv

Summary

### Impact 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. See https://jira.xwiki.org/browse/XWIKI-20275 for the reproduction steps. ### Patches The vulnerability has been patched in XWiki 15.0-rc-1, 14.10.1, 14.4.8, and 13.10.11. ### Workarounds The issue can be fixed by applying this [patch](https://github.com/xwiki/xwiki-platform/commit/aca1d677c58563bbe6e35c9e1c29fd8b12ebb996) on `XWiki.AttachmentSelector`. ### References - https://github.com/xwiki/xwiki-platform/commit/aca1d677c58563bbe6e35c9e1c29fd8b12ebb996 - https://jira.xwiki.org/browse/XWIKI-20275 ### For more information If you have any questions or comments about this advisory: * Open an issue in [Jira XWiki.org](https://jira.xwiki.org/) * Email us at [Security Mailing List](mailto:security@xwiki.org)

Advisory Timeline

  • First published April 20, 2023 (1271 days ago).
  • Last revised September 10, 2026 — 1238 days after initial publication.

Remediation

Upgrade to the fixed version using your package manager.

Maven
Update org.xwiki.platform:xwiki-platform-attachment-ui to 13.10.11 or later
<!-- Update pom.xml dependency version to 13.10.11 for org.xwiki.platform:xwiki-platform-attachment-ui -->
Maven
Update org.xwiki.platform:xwiki-platform-attachment-ui to 14.10.1 or later
<!-- Update pom.xml dependency version to 14.10.1 for org.xwiki.platform:xwiki-platform-attachment-ui -->
Maven
Update org.xwiki.platform:xwiki-platform-attachment-ui to 14.4.8 or later
<!-- Update pom.xml dependency version to 14.4.8 for org.xwiki.platform:xwiki-platform-attachment-ui -->

After upgrading, run your dependency scanner again to confirm the vulnerability is resolved.

Affected Packages (3)

Affects 1 ecosystem: maven (1).

PackageEcosystemAffectedFixed In
org.xwiki.platform:xwiki-platform-attachment-ui
maven
All versions13.10.11
org.xwiki.platform:xwiki-platform-attachment-ui
maven
All versions14.10.1
org.xwiki.platform:xwiki-platform-attachment-ui
maven
All versions14.4.8

Vulnerability Classification

Common Weakness Enumeration (CWE) identifiers for this vulnerability type.

CVSS Score Breakdown

What the CVSS (Common Vulnerability Scoring System) 9.9 score means for each attack dimension.

Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Changed
Confidentiality
High
Integrity
High
Availability
Low

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:L

References

Frequently Asked Questions

What is CVE-2023-29516?
XWiki Platform vulnerable to privilege escalation from view right on XWiki.AttachmentSelector This vulnerability has been assigned a severity rating of CRITICAL (CVSS score: 9.9/10).
How do I check if my project is affected by CVE-2023-29516?
CVE-2023-29516 affects org.xwiki.platform:xwiki-platform-attachment-ui. Use GeekWala's free vulnerability scanner to check your dependencies against CVE-2023-29516 and 200,000+ other known vulnerabilities.

Severity & Exploitability

CVSS Score
9.9

Exploitation is straightforward and causes maximum impact. Patch immediately.

Also Known As

GHSA-3989-4c6x-725f

Related CVEs

Check if you're affected

Scan your dependencies to see if this vulnerability affects your projects.

Scan Your Dependencies