Quick answers
- Is CVE-2026-59663 exploited in the wild?
- No. Junglewise Threat Intelligence has no report of CVE-2026-59663 being exploited in the wild.
- How severe is CVE-2026-59663?
- Informational severity, published 2 October 2026.
- Which products and versions are affected?
- Repasat prior to April 2026 patch (20260402).
- Is there a fix for CVE-2026-59663?
- Yes: fixed in April patch version 20260402. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
- How is CVE-2026-59663 attacked?
- It is attacked over the network.
- Am I affected by CVE-2026-59663?
- Check whether you run Repasat 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: April patch version 20260402
Technical details
A stored or reflected cross-site scripting vulnerability exists in the nomDelegacion parameter of the /es/delegations/store endpoint due to insufficient input sanitization. An attacker with authenticated access (login required) can inject malicious script that executes in the victim's browser when they interact with the affected parameter. Exploitation requires user interaction and authenticated access.
Affected products
- Repasat Repasat prior to April 2026 patch (20260402)
Timeline
- 2026-10-02: disclosed