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CVE-2026-110001medium5.4

FV Flowplayer Video Player <= 7.5.55.7212 - Unauthenticated Stored Cross-Site Scripting via 'align' Shortcode Attribute

Impact

The FV Flowplayer Video Player plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'comment (shortcode attribute 'align')' parameter in all versions up to, and including, 7.5.55.7212 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. This requires the plugin's 'Parse Vimeo and YouTube links' (parse_comments) setting to be enabled by an administrator, which causes the plugin to register do_shortcode on the…

Source excerpt · Wordfence
Applies when

This requires the plugin's 'Parse Vimeo and YouTube links' (parse_comments) setting to be enabled by an administrator, which causes the plugin to register do_shortcode on the comment_text filter, allowing attacker-supplied shortcode attributes stored in comments to be rendered unescaped to all subsequent visitors.

Affected packages

This source has no supported package-version data for matching. You can read the advisory here, but this record alone cannot power a dependency check.

Affected products

Vendor version evidence. Product records are separate from automatic dependency matching.

foliovision · Wordfence

FV Flowplayer Video Player

1 range
Wordfence version evidence

Compare with this publisher’s ranges. This does not inspect your installation.

affected

0 → through 7.5.55.7212

semver versions

unaffected

unknown

Other versions: unaffected

Original source description

The FV Flowplayer Video Player plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'comment (shortcode attribute 'align')' parameter in all versions up to, and including, 7.5.55.7212 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. This requires the plugin's 'Parse Vimeo and YouTube links' (parse_comments) setting to be enabled by an administrator, which causes the plugin to register do_shortcode on the comment_text filter, allowing attacker-supplied shortcode attributes stored in comments to be rendered unescaped to all subsequent visitors.

Inside the record

Evidence available

Package identity · not supplied
Version evidence
Remediation guidance · not supplied
Weakness classification
Additional publishers

Describes the evidence in this view, not whether the product is safe.

Original records

CVE-2026-110001

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Underlying weaknesses

The source’s classification of what caused the vulnerability.

CWE-79 ↗

CWE-79 Improper Neutralization of Input During Web Page Generation

Wordfence

Related →
Contributing organizations · 2
Wordfence

Assigning organization

2026-10-30
CISA-ADP

Additional data publisher

2026-10-30

What changed

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References

7 sources
www.wordfence.com/threat-intel/vulnerabilities/id/30215025-58d0-48e4-88bd-7ec2b0460c94
Security advisoryWordfence
plugins.trac.wordpress.org/browser/fv-wordpress-flowplayer/trunk/models/lightbox.php
Source referenceWordfence
plugins.trac.wordpress.org/browser/fv-wordpress-flowplayer/trunk/models/lightbox.php
Source referenceWordfence
plugins.trac.wordpress.org/browser/fv-wordpress-flowplayer/trunk/models/lightbox.php
Source referenceWordfence
plugins.trac.wordpress.org/browser/fv-wordpress-flowplayer/trunk/controller/shortcodes.php
Source referenceWordfence
plugins.trac.wordpress.org/browser/fv-wordpress-flowplayer/trunk/controller/frontend.php
Source referenceWordfence
View 1 more references
github.com/foliovision/fv-wordpress-flowplayer/commit/c00ff09bc438266617b22053d82a397e5a8967be
PatchWordfence