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CVE-2025-32972— The lesscss script service allows cache clearing without programming right

Quick assessment

Affected
xwiki xwiki-platform
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

XWiki Platform是XWiki开源的一套用于创建Web协作应用程序的Wiki平台。 XWiki Platform 15.10.12之前版本、16.4.3之前版本和16.8.0-rc-1之前版本存在安全漏洞，该漏洞源于LESS编译器权限检查不当，可能导致缓存被清理。

CVSS 2.7 · Low EPSS 0.51% · P42

Possible ATT&CK Techniques 1 AI

T1059 · Command and Scripting Interpreter
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I. Basic Information for CVE-2025-32972

Vulnerability Information
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Vulnerability Title
The lesscss script service allows cache clearing without programming right
Source: CVE Program / CVE List V5
Vulnerability Description
XWiki is a generic wiki platform. In versions starting from 6.1-milestone-1 to before 15.10.12, from 16.0.0-rc-1 to before 16.4.3, and from 16.5.0-rc-1 to before 16.8.0-rc-1, the script API of the LESS compiler in XWiki is incorrectly checking for rights when calling the cache cleaning API, making it possible to clean the cache without having programming right. The only impact of this is a slowdown in XWiki execution as the caches are re-filled. As this vulnerability requires script right to exploit, and script right already allows unlimited execution of scripts, the additional impact due to this vulnerability is low. This issue has been patched in versions 15.10.12, 16.4.3, and 16.8.0-rc-1.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
授权机制不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
XWiki Platform 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
XWiki Platform是XWiki开源的一套用于创建Web协作应用程序的Wiki平台。 XWiki Platform 15.10.12之前版本、16.4.3之前版本和16.8.0-rc-1之前版本存在安全漏洞，该漏洞源于LESS编译器权限检查不当，可能导致缓存被清理。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
xwiki xwiki-platform >= 6.1-milestone-1, < 15.10.12 -

II. Public POCs for CVE-2025-32972

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III. Intelligence Information for CVE-2025-32972

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Vendor Advisories for CVE-2025-32972 (1)

Other References for CVE-2025-32972 (1)

Same Patch Batch · xwiki · 2025-04-30 · 7 CVEs total

CVE-2025-32973 9.1 CRITICAL org.xwiki.platform:xwiki-platform-component-wiki provides no warning when granting XWiki.C
CVE-2025-32974 9.1 CRITICAL org.xwiki.platform:xwiki-platform-security-requiredrights-default required rights analysis
CVE-2025-32970 6.1 MEDIUM org.xwiki.platform:xwiki-platform-wysiwyg-api Open Redirect vulnerability
CVE-2025-46554 5.3 MEDIUM XWiki missing authorization when accessing the wiki level attachments list and metadata vi
CVE-2025-32971 3.8 LOW XWiki Solr script service doesn't take dropped programming right into account
CVE-2025-46557 Any user with view access to the XWiki space can change the authenticator

IV. Related Vulnerabilities

Same product: xwiki-platform
Same vendor: xwiki
Same weakness: CWE-285

V. Comments for CVE-2025-32972

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