Vulnerability · Published Oct 26, 2026 · Assigned by INCIBE

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

Medium 5.1

In plain English

A medium-severity cross-site scripting in Video library of the Regional Parliament of Castile-La Mancha from Regional Parliament of Castile-La Mancha. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 35% of all known vulnerabilities).

Severity (CVSS 4.0)5.1Medium
Exploit odds (30 days)0.4%top 64.7% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official 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.

Affected products (as reported)

Weakness: CWE-79 · Vector: 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

References