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CVE-2023-30537

org.xwiki.platform:xwiki-platform-flamingo-theme-ui vulnerable to privilege escalation

HIGH
8.8
CVSS Score
Published: April 16, 2023 at 07:06 AM UTC
Updated: June 17, 2026 at 05:54 AM UTC
1 product affected across 1 vendorXwiki

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Severity
HIGH8.8
Exploit prediction
EPSS 1%
SSVC
PoC

Description

XWiki Platform is a generic wiki platform offering runtime services for applications built on top of it. Any user with the right to add an object on a page can execute arbitrary Groovy, Python or Velocity code in XWiki leading to full access to the XWiki installation. The root cause is improper escaping of the styles properties `FlamingoThemesCode.WebHome`. This page is installed by default. The vulnerability has been patched in XWiki versions 13.10.11, 14.4.7 and 14.10.

Affected

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

Xwiki· Xwikimaven
95%
v < 13.10.11v < 14.10v < 14.4.712.6.6 ≤ v < 13.10.1114.0 ≤ v < 14.4.714.5 ≤ v < 14.10
Affected range stops below 13.10.11, so it looks safe — our inference, not a vendor statement
Affected range stops below 14.10, so it looks safe — our inference, not a vendor statement
Affected range stops below 14.4.7, 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/df596f15368342236f8899ca122af8f3df0fe2e8
x_refsource_CONFIRMExploitPatchVendor Advisory
Source: [email protected]
https://github.com/xwiki/xwiki-platform/security/advisories/GHSA-vrr8-fp7c-7qgp
x_refsource_MISCExploitIssue TrackingPatchVendor Advisory
Source: [email protected]
https://jira.xwiki.org/browse/XWIKI-20280

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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