PT-2026-54467 · WordPress · Fv Flowplayer Video Player

Dj + 1 · CVE-2026-12135 · Published 2026-07-01 · Updated 2026-07-01

Positive Technologies (AI Summary)

CVSS v3.1

6.4

Medium

Base vector

AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N

Name of the Vulnerable Software and Affected Versions FV Flowplayer Video Player versions prior to 7.5.51.722

Description Stored Cross-Site Scripting (XSS) occurs due to insufficient input sanitization and output escaping on user-supplied attributes. Authenticated attackers with contributor-level access or higher can inject arbitrary web scripts through the align attribute of the video player shortcode. These scripts execute whenever a user visits the affected page.

Recommendations Update to a version newer than 7.5.51.7212. As a temporary mitigation, restrict the ability of users with contributor-level access to edit pages or use the video player shortcode.

Fix

XSS

Weakness Enumeration

CWE-79

Related Identifiers

CVE-2026-12135

Affected Products

Fv Flowplayer Video Player

References · 10

• https://nvd.nist.gov/vuln/detail/CVE-2026-12135 · Security Note
• https://t.me/cveNotify/182216 · Telegram Post
• https://wordfence.com/threat-intel/vulnerabilities/id/d5a3a560-08e6-43b7-b953-4e704eafc49b?source=cve · Note
• https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&new=3586305%40fv-wordpress-flowplayer%2Ftrunk&old=3557974%40fv-wordpress-flowplayer%2Ftrunk&sfp_email=&sfph_mail= · Note
• https://plugins.trac.wordpress.org/browser/fv-wordpress-flowplayer/tags/7.5.49.7212/controller/shortcodes.php#L227 · Note
• https://plugins.trac.wordpress.org/browser/fv-wordpress-flowplayer/trunk/controller/shortcodes.php#L293 · Note
• https://plugins.trac.wordpress.org/browser/fv-wordpress-flowplayer/trunk/controller/shortcodes.php#L227 · Note
• https://t.me/CVEtracker/58522 · Telegram Post
• https://plugins.trac.wordpress.org/browser/fv-wordpress-flowplayer/tags/7.5.49.7212/controller/shortcodes.php#L293 · Note
• https://t.me/cveNotify/182143 · Telegram Post