CVE-2026-59659 Multiple vulnerabilities in the Repasat application
An attacker can execute arbitrary code in a victim's browser via a Cross-Site Scripting vulnerability in the Repasat application.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2026-59659?
CVE-2026-59659 is a medium-severity cross-site scripting vulnerability in Repasat application, published on 2 Oct 2026. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.
Official description
Cross-Site Scripting vulnerability in the Repasat application. Successful exploitation of this vulnerability could allow an attacker to trick a user into executing arbitrary code in the victim’s browser. The “nomZonaGeo” parameter is affected – endpoint “/es/geozones/update/149979”.
Weakness: CWE-79
Which versions are affected by CVE-2026-59659?
How do I fix CVE-2026-59659?
No fix has been published for CVE-2026-59659 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-2026-59659 being exploited?
There is no known exploitation of CVE-2026-59659 in the wild and no public exploit code.
Sources
Also known as GHSA-4xj7-xgj5-x2cg.