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CVE-2023-26477

Good to know:

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Date: March 2, 2023

XWiki Platform is a generic wiki platform. Starting in versions 6.3-rc-1 and 6.2.4, it's possible to inject arbitrary wiki syntax including Groovy, Python and Velocity script macros via the "newThemeName" request parameter (URL parameter), in combination with additional parameters. This has been patched in the supported versions 13.10.10, 14.9-rc-1, and 14.4.6. As a workaround, it is possible to edit "FlamingoThemesCode.WebHomeSheet" and manually perform the changes from the patch fixing the issue.

Language: Java

Severity Score

Related Resources (6)

https://github.com/xwiki/xwiki-platform/security/advisories/GHSA-x2qm-r4wx-8gpg
https://github.com/xwiki/xwiki-platform/commit/ea2e615f50a918802fd60b09ec87aa04bc6ea8e2#diff-e2153fa59f9d92ef67b0afbf27984bd17170921a3b558fac227160003d0dfd2aR283-R284
https://github.com/xwiki/xwiki-platform
https://jira.xwiki.org/browse/XWIKI-19757
https://nvd.nist.gov/vuln/detail/CVE-2023-26477
https://www.mend.io/vulnerability-database/CVE-2023-26477

Severity Score

Weakness Type (CWE)

Improper Control of Generation of Code ('Code Injection')

CWE-94

Improper Neutralization of Directives in Dynamically Evaluated Code ('Eval Injection')

CWE-95

Top Fix

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Upgrade Version

Upgrade to version org.xwiki.platform:xwiki-platform-flamingo-theme-ui:13.10.10;org.xwiki.platform:xwiki-platform-flamingo-theme-ui:14.4.6;org.xwiki.platform:xwiki-platform-flamingo-theme-ui:14.9-rc-1

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CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): CHANGED
Confidentiality (C): HIGH
Integrity (I): HIGH
Availability (A): HIGH

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