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CVE-2026-12135— FV Flowplayer Video Player <= 7.5.51.7212 - Authenticated (Contributor+) Stored Cross-Site Scripting via 'video_player' Shortcode

Quick assessment

Affected
foliovision FV Flowplayer Video Player
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

foliovision fv flowplayer video player是foliovision个人开发者的一个视频播放器插件。 FolioVision FV Flowplayer Video Player 7.5.51.7212及之前版本存在跨站脚本漏洞，该漏洞源于对用户提供的属性输入清理和输出转义不足，可能导致经过身份验证的攻击者通过'video_player'简码'align'属性注入任意Web脚本。

CVSS 6.4 · Medium EPSS 0.35% · P26

Affected Version Matrix 1

VendorProduct Version RangeStatus
foliovision FV Flowplayer Video Player ≤ 7.5.51.7212 affected
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I. Basic Information for CVE-2026-12135

Vulnerability Information
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Vulnerability Title
FV Flowplayer Video Player <= 7.5.51.7212 - Authenticated (Contributor+) Stored Cross-Site Scripting via 'video_player' Shortcode
Source: CVE Program / CVE List V5
Vulnerability Description
The FV Flowplayer Video Player plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'video_player' shortcode 'align' attribute in all versions up to, and including, 7.5.51.7212 due to insufficient input sanitization and output escaping on user supplied attributes. This makes it possible for authenticated attackers, with contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
在Web页面生成时对输入的转义处理不恰当(跨站脚本)
Source: CVE Program / CVE List V5
Vulnerability Title
FolioVision FV Flowplayer Video Player 跨站脚本漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
foliovision fv flowplayer video player是foliovision个人开发者的一个视频播放器插件。 FolioVision FV Flowplayer Video Player 7.5.51.7212及之前版本存在跨站脚本漏洞，该漏洞源于对用户提供的属性输入清理和输出转义不足，可能导致经过身份验证的攻击者通过'video_player'简码'align'属性注入任意Web脚本。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
foliovision FV Flowplayer Video Player 0 ~ 7.5.51.7212 -

II. Public POCs for CVE-2026-12135

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III. Intelligence Information for CVE-2026-12135

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Patches & Fixes for CVE-2026-12135 (3)

Vendor Advisories for CVE-2026-12135 (1)

Vendor Pages for CVE-2026-12135 (1)

IV. Related Vulnerabilities

Same product: FV Flowplayer Video Player
Same vendor: foliovision
Same weakness: CWE-79

V. Comments for CVE-2026-12135

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