CVE-2026-103377

MEDIUM
MEDIUM Priority: 0.02 BB Relevance: 60/100
Published: 2026-10-26 Modified: 2026-10-26 First seen: 2026-10-29 Status: active

Attack Surface

Network Low Complexity No Auth

CVSS Vector Breakdown

AV: Network
AC: Low
PR: None
UI: Active
AT: None
VC: Low
VI: Low
VA: None

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.

Weakness Classification (1)

Bug Bounty Relevance

60 / 100
✓ Network accessible
✓ No authentication
✓ Low complexity

CVSS Score

5.1 / 10.0 v4.0
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

EPSS — Exploitation Probability

0.41%
Raw Score 0.004080
Percentile 35.1%
Date 2026-10-29

EPSS Trend

2026-10-29
0.00408
2026-10-28
0.00408

Intelligence Sources

mitre ref →
nvd ref →