WordPress HTML5 Video Player plugin <= 5.3.5 - Reflected Cross Site Scripting (XSS) vulnerability

published 2026-01-22 9mo ago modified 2026-06-17 4mo ago also EUVD-2026-4123

cvss: 7.1; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.2%; EPSS 0.2% chance of exploitation in 30 days, percentile 12%
public exploits: 0; none known

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.

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CISA SSVC

Exploitation: none
Automatable: no
Technical impact: partial
Assessed: 9mo ago (2026-01-23)

Exploit prediction

0.22% chance of exploitation in the next 30 days, higher than 12% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by	version	score	vector
CNA	3.1	7.1	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L

Affected products

LambertGroup HTML5 Video Player

Classification

Weakness

CWE-79 Improper Neutralization of Input During Web Page Generation

Technology feeds

WordPress rss critical rss

References

patchstack.com /database/Wordpress/Plugin/lbg-vp2-html5-bottom/vulnerability/wordpress-html5-video-player-plugin-5-3-5-reflec
vdb-entry

Sources

CVE List CVE-2025-27005
NVD CVE-2025-27005

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

CPEs and fixed versions use Anchore's correction of NVD's data: Added CPE configurations because not yet analyzed by NVD.