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CVE-2026-33402— SAK-52311: Sakai site-manage group titles can contain XSS content

Quick assessment

Affected
sakaiproject sakai
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.

Sakai是Apereo Sakai开源的一个免费提供、功能丰富的技术解决方案，用于学习、教学、研究和协作。 Sakai 23.4及之前版本和25.1及之前版本存在跨站脚本漏洞，该漏洞源于组标题和描述字段清理不当，可能导致跨站脚本攻击。

AI Predicted 6.1 Difficulty: Easy EPSS 0.26% · P16

Possible ATT&CK Techniques 1 AI

T1059 · Command and Scripting Interpreter
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I. Basic Information for CVE-2026-33402

Vulnerability Information
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Vulnerability Title
SAK-52311: Sakai site-manage group titles can contain XSS content
Source: CVE Program / CVE List V5
Vulnerability Description
Sakai is a Collaboration and Learning Environment (CLE). In versions 23.0 through 23.4 and 25.0 through 25.1, group titles and description can contain cross-site scripting scripts. The patch is included in releases 25.2 and 23.5. As a workaround, one can check the SAKAI_SITE_GROUP table for titles and descriptions that contain this info.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:U
Source: CVE Program / CVE List V5
Vulnerability Type
在Web页面生成时对输入的转义处理不恰当(跨站脚本)
Source: CVE Program / CVE List V5
Vulnerability Title
Sakai 跨站脚本漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Sakai是Apereo Sakai开源的一个免费提供、功能丰富的技术解决方案，用于学习、教学、研究和协作。 Sakai 23.4及之前版本和25.1及之前版本存在跨站脚本漏洞，该漏洞源于组标题和描述字段清理不当，可能导致跨站脚本攻击。
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
sakaiproject sakai >= 23.0, < 23.5 -

II. Public POCs for CVE-2026-33402

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III. Intelligence Information for CVE-2026-33402

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Vendor Advisories for CVE-2026-33402 (2)

IV. Related Vulnerabilities

Same product: sakai
Same vendor: sakaiproject
Same weakness: CWE-79

V. Comments for CVE-2026-33402

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