CVE-2026-86461
HighCVSS 8.8Exploitation Probability (EPSS)
Elevated risk54th percentile - higher than 54% of all known CVEs
Summary
The FV Flowplayer Video Player plugin for WordPress, in all versions up to and including 7.5.54.7212, is vulnerable to limited arbitrary file upload via the check_mimetype function. Incomplete file type validation allows an authenticated attacker with subscriber-level access or above to upload potentially executable files, enabling remote code execution. Exploitation requires the plugin's 'profile videos on bio' option to be enabled.
Risk Assessment
An authenticated low-privileged user can upload a malicious file and achieve remote code execution on the WordPress server, potentially leading to full site compromise.
Recommendation
Update the FV Flowplayer Video Player plugin to a version later than 7.5.54.7212; if not possible, disable the 'profile videos on bio' option and restrict subscriber roles.
Other vulnerabilities in FV Flowplayer Video Player
See all- CVE-2026-97398High
The FV Flowplayer Video Player plugin for WordPress up to version 7.5.54.7212 is vulnerable to Stored Cross-Site Scripting via the 'synopsis' shortcode attribute due to insufficient input sanitization and output escaping, requiring the 'Parse Vimeo and YouTube links' option enabled and liststyle set to 'season'.
- CVE-2026-97630Medium
The FV Flowplayer Video Player plugin for WordPress is vulnerable to Stored Cross-Site Scripting via an unquoted popup shortcode attribute in all versions up to and including 7.5.54.7212 due to insufficient input sanitization and output escaping. This allows authenticated attackers with subscriber-level access and above to inject arbitrary web scripts that execute whenever a user accesses an injected page. Successful exploitation requires the profile_videos_enable_bio option to be enabled, as script execution occurs on the author bio/archive page where the profile-video shortcode is rendered.
- CVE-2026-42695Medium
The FV Flowplayer Video Player WordPress plugin (up to version 7.5.54.7212) fails to properly neutralize input during web page generation, enabling Stored XSS. Malicious JavaScript can be persistently stored and executed in a user's browser.
- CVE-2026-12135Medium
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. This allows authenticated attackers with contributor-level access or higher to inject arbitrary web scripts that execute when users access affected pages.
- CVE-2026-49773Medium
There is a Cross Site Scripting (XSS) vulnerability in FV Flowplayer Video Player versions below 7.5.51.7212 for subscribers.
- CVE-2026-7556High
The FV Flowplayer Video Player plugin for WordPress is vulnerable to Stored Cross-Site Scripting via comment text in all versions up to 7.5.49.7212 due to insufficient input sanitization and output escaping. Unauthenticated attackers can inject arbitrary scripts that execute after an administrator approves the comment.
Original NVD description (English source)
The FV Flowplayer Video Player plugin for WordPress is vulnerable to Limited Arbitrary File Upload in all versions up to, and including, 7.5.54.7212 via the check_mimetype function. This is due to incomplete file type validation in the check_mimetype function — while some extension checking is present, it can be bypassed, allowing attacker-supplied remote file content to be written with insufficient extension enforcement and no MIME check or WordPress upload helper. This makes it possible for authenticated attackers, with subscriber-level access and above, to upload files that may be executable, which makes remote code execution possible. Exploitation requires the plugin's 'profile videos on bio' option to be enabled, as this causes the nonce to be emitted on the subscriber-accessible profile page; without this setting, authenticated users below Editor cannot obtain the required nonce.
Vulnerability data from NVD (NIST) · CISA KEV · EPSS