CVE-2026-82664 yaojingang GEOFlow JSON-LD Theme HomeController.php cross site scripting
Remote attackers can inject malicious scripts via the Search argument in the JSON-LD Theme Handler, potentially compromising user sessions.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2026-82664?
CVE-2026-82664 is a medium-severity cross-site scripting vulnerability in yaojingang GEOFlow, published on 31 Aug 2026. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official description
A security vulnerability has been detected in yaojingang GEOFlow up to 2.1.0. This affects an unknown part of the file app/Http/Controllers/Site/HomeController.php of the component JSON-LD Theme Handler. The manipulation of the argument Search leads to cross site scripting. The attack is possible to be carried out remotely. The exploit has been disclosed publicly and may be used. Upgrading to version 2.1.1 is able to mitigate this issue. The identifier of the patch is 67abfd864a15d169a78429f3290c91cb3b93e849. Upgrading the affected component is recommended.
Which versions are affected by CVE-2026-82664?
How do I fix CVE-2026-82664?
No fix has been published for CVE-2026-82664 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-2026-82664 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-82664 exists.
Sources
Also known as GHSA-mjpv-gf9w-wgf8.