Answer in brief
CVE-2026-103377 records a Medium severity (CVSS 5.1) vulnerability in Reflected cross-site scripting in the video library of the Regional Parliament of Castile-La Mancha. The current sources do not mark it as known exploited. The current feed maps Regional Parliament of Castile-La Mancha/Video library of the Regional Parliament of Castile-La Mancha (generic). Check affected ranges and fixed versions before updating.
Analysis pending evidence review
HOL Guard separates source facts from reviewed analysis. See the methodology.
CVSS is 5.1. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.
Analysis status
Analysis pending evidence review
Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.
The current feed maps Regional Parliament of Castile-La Mancha/Video library of the Regional Parliament of Castile-La Mancha (generic). Check affected ranges and fixed versions before updating.
| Package | Affected range | Fixed version |
|---|---|---|
| Regional Parliament of Castile-La Mancha/Video library of the Regional Parliament of Castile-La Manchageneric | >=0 <October 2026 | October 2026, October |
Published upstream
Oct 26, 2026
Evidence: source:cvelist:source_dates:source-dates:recordSource modified
Oct 26, 2026
Evidence: source:cvelist:source_dates:source-dates:recordFirst seen by HOL
Oct 26, 2026
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.
Quoted source text, attributed separately from HOL analysis.