CVE-2025-27005
Published: 22 January 2026
Summary
CVE-2025-27005 is a high-severity Cross-site Scripting (CWE-79) vulnerability. Its CVSS base score is 7.1 (High).
Operationally, exploitation aligns with the MITRE ATT&CK technique Exploit Public-Facing Application (T1190); ranked at the 13.9th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.
Threat & Defense at a Glance
Threat & Defense Details
Likely Mitigating ControlsAI
Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.
Penetration testing submits XSS payloads to web applications, detecting cross-site scripting flaws for subsequent remediation.
Validates web inputs to reject script-related content that could produce XSS.
Output validation against expected content can reject or sanitize script content in generated web pages, reducing XSS exploitability.
MITRE ATT&CK Enterprise TechniquesAI
Why these techniques?
Reflected XSS in public-facing WordPress plugin directly enables remote exploitation of a web application via crafted links requiring user interaction.
NVD Description
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in LambertGroup HTML5 Video Player lbg-vp2-html5-bottom allows Reflected XSS.This issue affects HTML5 Video Player: from n/a through <= 5.3.5.
Deeper analysisAI
CVE-2025-27005 is an Improper Neutralization of Input During Web Page Generation vulnerability, classified as Reflected Cross-site Scripting (XSS) under CWE-79, in the LambertGroup HTML5 Video Player plugin (lbg-vp2-html5-bottom). This issue affects HTML5 Video Player versions from unknown initial release through 5.3.5. The vulnerability was published on 2026-01-22 and carries a CVSS v3.1 base score of 7.1.
Attackers can exploit this vulnerability remotely over the network (AV:N) with low attack complexity (AC:L), requiring no privileges (PR:N) but user interaction (UI:R), such as clicking a malicious link. The changed scope (S:C) enables potential impact beyond the initial user, achieving low effects on confidentiality, integrity, and availability (C:L/I:L/A:L). Exploitation typically allows injection of malicious scripts into web pages viewed by users, potentially leading to session hijacking, data theft, or further site compromise.
Mitigation details are available in the Patchstack advisory at https://patchstack.com/database/Wordpress/Plugin/lbg-vp2-html5-bottom/vulnerability/wordpress-html5-video-player-plugin-5-3-5-reflected-cross-site-scripting-xss-vulnerability?_s_id=cve, which covers the WordPress plugin context.
Details
- CWE(s)