CVE-2026-121764: FolioVision FV Flowplayer Video Player stored XSS

CVE-2026-121764 · Severity: high · CVSS 7.1 · Published 2026-11-09

FV Flowplayer is a WordPress video player plugin used to embed and manage videos on websites. This vulnerability allows attackers to inject malicious scripts that persist in the database, potentially stealing visitor data or hijacking user accounts when the page is viewed. The vulnerability requires a privileged user to perform an action such as clicking a malicious link or submitting a form.

Technologies: FolioVision FV Flowplayer Video Player. Vendors: FolioVision.

Quick answers

Is CVE-2026-121764 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2026-121764 being exploited in the wild.
How severe is CVE-2026-121764?
High severity, with a CVSS score of 7.1, published 9 November 2026.
Which products and versions are affected?
FolioVision FV Flowplayer Video Player through 7.5.56.7212.
Is there a fix for CVE-2026-121764?
Yes: fixed in 7.5.57.7212. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
How is CVE-2026-121764 attacked?
It is attacked over the network, in a web application.
Am I affected by CVE-2026-121764?
Check whether you run FolioVision FV Flowplayer Video Player at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

How to fix

  • Fixed in: 7.5.57.7212

Technical details

Stored XSS vulnerability in FV Flowplayer Video Player plugin allows unauthenticated attackers to inject malicious scripts through improper input neutralization during web page generation. User interaction is required; a privileged user must perform an action like clicking a malicious link or visiting a crafted page for exploitation to succeed, after which the injected script persists and executes for all site visitors.

Affected products

  • FolioVision FV Flowplayer Video Player through 7.5.56.7212

Timeline

  • 2026-11-09: disclosed
  • 2026-11-07: patched: Patched version 7.5.57.7212 released

References

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