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CVE-2026-108802— y_project RuoYi Dictionary Data Drawer Preview add renderDrawer cross site scripting

Quick assessment

Affected
y_project RuoYi
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 y_project RuoYi 最高至 4.8.3 的版本中发现了一个安全弱点。该漏洞影响了组件“字典数据抽屉预览（Dictionary Data Drawer Preview）”中文件 的 函数。通过操控参数 ，可导致跨站脚本（XSS）攻击。该攻击可由远程发起。目前该漏洞的利用代码已公开，可能被用于实施攻击。虽然厂商在披露早期即已收到通知，但未作出任何回应。

CVSS 3.5 · Low EPSS 0.20% · P9

Affected Version Matrix 4

VendorProduct Version RangeStatus
y_project RuoYi 4.8.0 affected
4.8.1 affected
4.8.2 affected
4.8.3 affected
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I. Basic Information for CVE-2026-108802

Vulnerability Information
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Vulnerability Title
y_project RuoYi Dictionary Data Drawer Preview add renderDrawer cross site scripting
Source: CVE Program / CVE List V5
Vulnerability Description
A weakness has been identified in y_project RuoYi up to 4.8.3. This affects the function renderDrawer of the file /system/dict/data/add of the component Dictionary Data Drawer Preview. Executing a manipulation of the argument cssClass can lead to cross site scripting. The attack may be performed from remote. The exploit has been made available to the public and could be used for attacks. The vendor was contacted early about this disclosure but did not respond in any way.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A: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
y_project RuoYi 4.8.0 cpe:2.3:a:ruoyi:ruoyi:*:*:*:*:*:*:*:*

II. Public POCs for CVE-2026-108802

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III. Intelligence Information for CVE-2026-108802

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Proof of Concept for CVE-2026-108802 (1)

Other References for CVE-2026-108802 (1)

IV. Related Vulnerabilities

Same product: RuoYi
Same vendor: y_project
Same weakness: CWE-79

V. Comments for CVE-2026-108802

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