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CVE-2023-26472

XWiki Platform vulnerable to privilege escalation via async macro and IconThemeSheet from the user profile

HIGH
8.8
CVSS Score
Published: March 2, 2023 at 06:25 PM UTC
Updated: June 17, 2026 at 05:43 AM UTC
1 product affected across 1 vendorXwiki

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Severity
HIGH8.8
Exploit prediction
EPSS 1%
SSVC
No known exploit

Description

XWiki Platform is a generic wiki platform. Starting in version 6.2-milestone-1, one can execute any wiki content with the right of IconThemeSheet author by creating an icon theme with certain content. This can be done by creating a new page or even through the user profile for users not having edit right. The issue has been patched in XWiki 14.9, 14.4.6, and 13.10.10. An available workaround is to fix the bug in the page `IconThemesCode.IconThemeSheet` by applying a modification from commit 48caf7491595238af2b531026a614221d5d61f38.

Affected

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

Xwiki· Xwikimaven
95%
v < 13.10.10v < 14.4.6v < 14.914.0 ≤ v < 14.4.614.5 ≤ v < 14.96.2.1 ≤ v < 13.10.106.2 milestone16.2 milestone2
Affected range stops below 13.10.10, so it looks safe — our inference, not a vendor statement
Affected range stops below 14.4.6, so it looks safe — our inference, not a vendor statement
Affected range stops below 14.9, 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/48caf7491595238af2b531026a614221d5d61f38#diff-2ec9d716673ee049937219cdb0a92e520f81da14ea84d144504b97ab2bdae243R45
x_refsource_CONFIRMExploitVendor Advisory
Source: [email protected]
https://github.com/xwiki/xwiki-platform/security/advisories/GHSA-vwr6-qp4q-2wj7
x_refsource_MISCExploitIssue TrackingPatchVendor Advisory
Source: [email protected]
https://jira.xwiki.org/browse/XWIKI-19731

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial 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-116

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