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CVE-2026-102626— LimeSurvey Community Edition 7.4.0 - Stored XSS through the Date/Time date_min question attribute

Quick assessment

Affected
LimeSurvey LimeSurvey
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.

在 LimeSurvey Community Edition 7.4.0 中，拥有“全局问卷：创建”权限的已认证用户可以在日期/时间类型问题的 属性中存储一个破坏 JavaScript 语法的值。当其他用户渲染受影响的问卷时，LimeSurvey 会将该存储的值直接插入到一个单引号包裹的内联 JavaScript 字符串字面量中，且未进行 JavaScript 上下文编码。

CVSS 7.2 · High EPSS 0.27% · P17

Affected Version Matrix 1

VendorProduct Version RangeStatus
LimeSurvey LimeSurvey 7.4.0 affected
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I. Basic Information for CVE-2026-102626

Vulnerability Information
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Vulnerability Title
LimeSurvey Community Edition 7.4.0 - Stored XSS through the Date/Time date_min question attribute
Source: CVE Program / CVE List V5
Vulnerability Description
An authenticated LimeSurvey Community Edition 7.4.0 user with the global Surveys: create permission can store a JavaScript-breaking value in the date_min attribute of a Date/Time question. When another user renders the affected question, LimeSurvey inserts the stored value into a single-quoted inline JavaScript literal without JavaScript-context encoding.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:A/VC:H/VI:H/VA:N/SC:L/SI:L/SA:N
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

Affected Products

Vendor Product Affected Versions CPE Subscribe
LimeSurvey LimeSurvey 7.4.0 -

II. Public POCs for CVE-2026-102626

# POC Description Source Link Shenlong Link
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III. Intelligence Information for CVE-2026-102626

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Patches & Fixes for CVE-2026-102626 (1)

Vendor Advisories for CVE-2026-102626 (1)

IV. Related Vulnerabilities

Same product: LimeSurvey
Same vendor: LimeSurvey
Same weakness: CWE-79

V. Comments for CVE-2026-102626

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