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CVE-2023-29525

Privilege escalation from view right on XWiki.Notifications.Code.LegacyNotificationAdministration in xwiki-platform

HIGH
8.8
CVSS Score
Published: April 18, 2023 at 11:01 PM UTC
Updated: October 24, 2026 at 01:10 PM UTC
1 product affected across 1 vendorXwiki

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Severity
HIGH8.8
Exploit prediction
EPSS 78%
SSVC
PoC

Description

XWiki Platform is a generic wiki platform offering runtime services for applications built on top of it. Affected versions of xwiki are subject to code injection in the `since` parameter of the `/xwiki/bin/view/XWiki/Notifications/Code/LegacyNotificationAdministration` endpoint. This provides an XWiki syntax injection attack via the since-parameter, allowing privilege escalation from view to programming rights and subsequent code execution privilege. The vulnerability has been patched in XWiki 15.0-rc-1, 14.10.3, 14.4.8 and 14.10.3. Users are advised to upgrade. Users unable to upgrade may modify the page `XWiki.Notifications.Code.LegacyNotificationAdministration` to add the missing escaping. For versions < 14.6-rc-1 a workaround is to modify the file `<xwikiwebapp>/templates/distribution/eventmigration.wiki` to add the missing escaping.

Affected

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

Xwiki· Xwikimaven
95%
v < 14.4.814.5 ≤ v < 14.10.3
Affected range stops below 14.10.3, so it looks safe — our inference, not a vendor statement
Affected range stops below 14.4.8, so it looks safe — our inference, not a vendor statement

References (4)

x_refsource_MISCPatch
Source: [email protected]
https://github.com/xwiki/xwiki-platform/commit/6d74e2e4aa03d19f0be385ab63ae9e0f0e90a766
x_refsource_MISCPatch
Source: [email protected]
https://github.com/xwiki/xwiki-platform/commit/8e7c7f90f2ddaf067cb5b83b181af41513028754#diff-4e13f4ee4a42938bf1201b7ee71ca32edeacba22559daf0bcb89d534e0225949R70
x_refsource_CONFIRMExploitPatchVendor Advisory
Source: [email protected]
https://github.com/xwiki/xwiki-platform/security/advisories/GHSA-jgg7-w2rj-58cj
x_refsource_MISCExploitIssue TrackingPatchVendor Advisory
Source: [email protected]
https://jira.xwiki.org/browse/XWIKI-20287

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-74

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