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CVE-2026-103377— Reflected cross-site scripting in the video library of the Regional Parliament of Castile-La Mancha

Quick assessment

Affected
Regional Parliament of Castile-La Mancha Video library of the Regional Parliament of Castile-La Mancha
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.

在卡斯蒂利亚 - 拉曼恰自治区议会的视频库 Web 应用中，发现了一处反射型跨站脚本（XSS）漏洞。该应用将用户提交的内容直接嵌入到页面中，未在浏览器渲染前对其进行适当的清理。攻击者可利用此漏洞，向与恶意构造内容交互的受害者浏览器中注入并执行任意 JavaScript 代码。

CVSS 5.1 · Medium
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I. Basic Information for CVE-2026-103377

Vulnerability Information
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Vulnerability Title
Reflected cross-site scripting in the video library of the Regional Parliament of Castile-La Mancha
Source: CVE Program / CVE List V5
Vulnerability Description
A reflected Cross-Site Scripting (XSS) vulnerability has been identified in the web application of the Castile-La Mancha Regional Parliament’s video library. The application embeds user-supplied content into the page without properly sanitising it before it is rendered by the browser. Exploitation of this vulnerability could allow a remote attacker to execute arbitrary JavaScript code in the browser of a victim who interacts with the content crafted for the attack.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:L/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
Regional Parliament of Castile-La Mancha Video library of the Regional Parliament of Castile-La Mancha 0 ~ October 2026 -

II. Public POCs for CVE-2026-103377

# POC Description Source Link Shenlong Link
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III. Intelligence Information for CVE-2026-103377

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Other References for CVE-2026-103377 (1)

IV. Related Vulnerabilities

Same weakness: CWE-79