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CVE-2023-37909

Privilege escalation (PR)/remote code execution from account through Menu.UIExtensionSheet

HIGH
8.8
CVSS Score
Published: October 25, 2023 at 05:09 PM UTC
Updated: June 17, 2026 at 06:08 AM UTC
1 product affected across 1 vendorXwiki

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Severity
HIGH8.8
Exploit prediction
EPSS 2%
SSVC
PoC

Description

XWiki Platform is a generic wiki platform offering runtime services for applications built on top of it. Starting in version 5.1-rc-1 and prior to versions 14.10.8 and 15.3-rc-1, any user who can edit their own user profile 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 has been patched in XWiki 14.10.8 and 15.3-rc-1 by adding proper escaping. As a workaround, the patch can be manually applied to the document `Menu.UIExtensionSheet`; only three lines need to be changed.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Xwiki· Xwikimaven
95%
v < 14.10.8v < 15.3-rc-15.1 ≤ v < 14.10.8
Affected range stops below 14.10.8, so it looks safe — our inference, not a vendor statement
Affected range stops below 15.3-rc-1, so it looks safe — our inference, not a vendor statement

References (3)

x_refsource_MISCPatch
Source: [email protected]
https://github.com/xwiki/xwiki-platform/commit/9e8f080094333dec63a8583229a3799208d773be
x_refsource_CONFIRMExploitPatchVendor Advisory
Source: [email protected]
https://github.com/xwiki/xwiki-platform/security/advisories/GHSA-v2rr-xw95-wcjx
x_refsource_MISCExploitIssue TrackingPatchVendor Advisory
Source: [email protected]
https://jira.xwiki.org/browse/XWIKI-20746

SSVC — Action Prioritization

SSVCPoCNot automatableTotal impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

8.8HIGH[email protected]
Attack Vector
NETWORK
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-95CWE-94

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