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CVE-2023-29516

CRITICAL
Published 2023-04-18T23:51:58.775Z
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CVSS Score

V3.1
9.9
/10
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:L
Base Score Metrics
Exploitability: N/A Impact: N/A

EPSS Score

v2025.03.14
0.203
probability
of exploitation in the wild

There is a 20.3% chance that this vulnerability will be exploited in the wild within the next 30 days.

Updated: 2025-06-25
Exploit Probability
Percentile: 0.952
Higher than 95.2% of all CVEs

Attack Vector Metrics

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
CHANGED

Impact Metrics

Confidentiality
HIGH
Integrity
HIGH
Availability
LOW

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.

Available Exploits

No exploits available for this CVE.

Related News

No news articles found for this CVE.

Affected Products

xwiki

xwiki-platform

Affected Versions:

< 13.10.11 >= 14.0.0, < 14.4.8 >= 14.5.0, < 14.10.1

GitHub Security Advisories

Community-driven vulnerability intelligence from GitHub

✓ GitHub Reviewed CRITICAL

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

GHSA-3989-4c6x-725f

Advisory Details

### 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:[email protected])

Affected Packages

Maven org.xwiki.platform:xwiki-platform-attachment-ui
ECOSYSTEM: ≥2.0-rc-2 <13.10.11
Maven org.xwiki.platform:xwiki-platform-attachment-ui
ECOSYSTEM: ≥14.0-rc-1 <14.4.8
Maven org.xwiki.platform:xwiki-platform-attachment-ui
ECOSYSTEM: ≥14.5 <14.10.1

CVSS Scoring

CVSS Score

9.0

CVSS Vector

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

References

WEB https://github.com/xwiki/xwiki-platform/security/advisories/GHSA-3989-4c6x-725f
ADVISORY https://nvd.nist.gov/vuln/detail/CVE-2023-29516
WEB https://github.com/xwiki/xwiki-platform/commit/aca1d677c58563bbe6e35c9e1c29fd8b12ebb996
PACKAGE https://github.com/xwiki/xwiki-platform
WEB https://jira.xwiki.org/browse/XWIKI-20275

Advisory provided by GitHub Security Advisory Database. Published: April 20, 2023, Modified: April 20, 2023

References

https://github.com/xwiki/xwiki-platform/security/advisories/GHSA-3989-4c6x-725f
https://github.com/xwiki/xwiki-platform/commit/aca1d677c58563bbe6e35c9e1c29fd8b12ebb996
https://jira.xwiki.org/browse/XWIKI-20275
Published: 2023-04-18T23:51:58.775Z
Last Modified: 2025-02-05T20:34:10.685Z
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