CVE-2026-97398 Cross-site scripting in FV Flowplayer Video Player
Unauthenticated attackers can inject arbitrary scripts via the synopsis shortcode attribute, requiring specific plugin settings to be enabled.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-97398?
CVE-2026-97398 is a high-severity cross-site scripting vulnerability in foliovision FV Flowplayer Video Player, published on 14 Oct 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
The FV Flowplayer Video Player plugin for WordPress is vulnerable to Stored Cross-Site Scripting via 'synopsis' Shortcode Attribute in all versions up to, and including, 7.5.54.7212 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 'Parse Vimeo and YouTube links' (parse_comments) option to be enabled and the liststyle attribute set to "season" for the vulnerable code path to be reached.
Weakness: CWE-79
Which versions are affected by CVE-2026-97398?
How do I fix CVE-2026-97398?
No fix has been published for CVE-2026-97398 yet. Limit exposure of the affected software until one is available.
Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.
Is CVE-2026-97398 being exploited?
There is no known exploitation of CVE-2026-97398 in the wild and no public exploit code.
Sources
Also known as GHSA-jm7p-g52m-8c6g.