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CVE-2023-37462

Improper Neutralization of Directives in Dynamically Evaluated Code ('Eval Injection') in org.xwiki.platform:xwiki-platform-skin-ui

HIGH
8.8
CVSS Score
Published: July 14, 2023 at 08:39 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 92%
SSVC
PoC

Description

XWiki Platform is a generic wiki platform offering runtime services for applications built on top of it. Improper escaping in the document `SkinsCode.XWikiSkinsSheet` leads to an injection vector from view right on that document to programming rights, or in other words, it is possible to execute arbitrary script macros including Groovy and Python macros that allow remote code execution including unrestricted read and write access to all wiki contents. The attack works by opening a non-existing page with a name crafted to contain a dangerous payload. It is possible to check if an existing installation is vulnerable. See the linked GHSA for instructions on testing an installation. This issue has been patched in XWiki 14.4.8, 14.10.4 and 15.0-rc-1. Users are advised to upgrade. The fix commit `d9c88ddc` can also be applied manually to the impacted document `SkinsCode.XWikiSkinsSheet` and users unable to upgrade are advised to manually patch their installations.

Affected

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

Xwiki· Xwikimaven
95%
v < 14.10.4v < 14.4.814.5 ≤ v < 14.10.47.0 ≤ v < 14.4.8
Affected range stops below 14.10.4, 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 (3)

x_refsource_MISCPatch
Source: [email protected]
https://github.com/xwiki/xwiki-platform/commit/d9c88ddc4c0c78fa534bd33237e95dea66003d29
x_refsource_CONFIRMExploitIssue TrackingPatchVendor Advisory
Source: [email protected]
https://github.com/xwiki/xwiki-platform/security/advisories/GHSA-h4vp-69r8-gvjg
x_refsource_MISCExploitIssue TrackingVendor Advisory
Source: [email protected]
https://jira.xwiki.org/browse/XWIKI-20457

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-74CWE-95

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