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CVE-2023-37914

CRITICAL
Published 2023-08-17T17:21:23.571Z
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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
0.043
probability
of exploitation in the wild

There is a 4.3% chance that this vulnerability will be exploited in the wild within the next 30 days.

Updated: 2025-06-25
Exploit Probability
Percentile: 0.884
Higher than 88.4% 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 who can view `Invitation.WebHome` can execute arbitrary script macros including Groovy and Python macros that allow remote code execution including unrestricted read and write access to all wiki contents. This vulnerability has been patched on XWiki 14.4.8, 15.2-rc-1, and 14.10.6. Users are advised to upgrade. Users unable to upgrade may manually apply the patch on `Invitation.InvitationCommon` and `Invitation.InvitationConfig`, but there are otherwise 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

GitHub Security Advisories

Community-driven vulnerability intelligence from GitHub

✓ GitHub Reviewed CRITICAL

XWiki Platform privilege escalation (PR)/RCE from account through Invitation subject/message

GHSA-7954-6m9q-gpvf

Advisory Details

### Impact Any user who can view `Invitation.WebHome` can execute arbitrary script macros including Groovy and Python macros that allow remote code execution including unrestricted read and write access to all wiki contents. This can be reproduced with the following steps: 1. Open the invitation application (Invitation.WebHome). 1. Set the subject to `{{cache}}{{groovy}}new File("/tmp/exploit.txt").withWriter { out -> out.println("Attacked from invitation!"); }{{/groovy}}{{/cache}}` 1. Click "Preview" ### Patches The vulnerability has been patched on XWiki 14.4.8, 15.2-rc-1, and 14.10.6. ### Workarounds The vulnerability can be patched manually by applying the [patch](https://github.com/xwiki/xwiki-platform/commit/ff1d8a1790c6ee534c6a4478360a06efeb2d3591) on `Invitation.InvitationCommon` and `Invitation.InvitationConfig`. ### References - https://jira.xwiki.org/browse/XWIKI-20421 - https://github.com/xwiki/xwiki-platform/commit/ff1d8a1790c6ee534c6a4478360a06efeb2d3591 ### 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-invitation-ui
ECOSYSTEM: ≥2.5-m-1 <14.4.8
Maven org.xwiki.platform:xwiki-platform-invitation-ui
ECOSYSTEM: ≥14.5 <14.10.6
Maven org.xwiki.platform:xwiki-platform-invitation-ui
ECOSYSTEM: ≥15.0-rc-1 <15.2-rc-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

Advisory provided by GitHub Security Advisory Database. Published: August 18, 2023, Modified: August 18, 2023

References

Published: 2023-08-17T17:21:23.571Z
Last Modified: 2024-10-08T16:22:04.023Z
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