Threat intelligence

HTML5 Video Player – Embed and Play Videos in Custom Player <= 2.11.0 - Missing Authorization

CVE-2026-57323 · html5-video-player

Important: Seeing this vulnerability listed does not mean your website is affected. Exposure depends on whether you run Html5 Video Player at a vulnerable version. How SiteRespond intelligence works

Vulnerability: HTML5 Video Player – Embed and Play Videos in Custom Player <= 2.11.0 - Missing Authorization
Affected software: html5-video-player(Plugin)
Affected versions: ≤ 2.11.0
Authentication: Not specified in feed title — see source advisory
Vulnerability type: Other
CVE: CVE-2026-57323
Published: 26 June 2026
CISA KEV: Not listed in CISA KEV at last catalog refresh
Impact: This advisory describes a other issue in the affected software. Review the source advisory and your installed version to assess exposure.
Source: Data imported from Wordfence Intelligence (advisory cb64128c-0342-4365-bf46-0170fc876694). Methodology and redistribution notes

Check whether your installed version is affected

SiteRespond Defence matches your installed Html5 Video Player version against this catalog when the Defence plugin is connected to your WordPress site.

Start SiteRespond Defence for WordPress — £29.99/monthScan your website

All Html5 Video Player advisoriesBack to catalog