# CVE-2026-59663: Repasat cross-site scripting in delegations endpoint

Source: https://junglewise.ai/threats/cve-2026-59663-cross-site-scripting-vulnerability-in-the-repasat-application  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-10-02. Updated: 2026-10-05  
License: CC BY 4.0 with a link back

CVE-2026-59663 · Severity: info · Published 2026-10-02

Repasat is business management software that consolidates all company operations onto a single platform. A cross-site scripting vulnerability in the delegations feature allows an attacker to trick users into executing malicious code in their browsers, potentially leading to account compromise or data theft.

Technologies: [Repasat](https://junglewise.ai/threats/technologies/repasat). Vendors: [Repasat](https://junglewise.ai/threats/vendors/repasat).

## 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

## References

- [https://www.incibe.es/en/incibe-cert/notices/aviso/multiple-vulnerabilities-repasat-application](https://www.incibe.es/en/incibe-cert/notices/aviso/multiple-vulnerabilities-repasat-application)

## Related threats

- [Repasat application cross-site scripting in company size parameter](https://junglewise.ai/threats/cve-2026-59668-cross-site-scripting-vulnerability-in-the-repasat-application)
- [Repasat cross-site scripting in company size employees endpoint](https://junglewise.ai/threats/cve-2026-59667-cross-site-scripting-vulnerability-in-the-repasat-application)
- [Repasat business management software XSS vulnerabilities](https://junglewise.ai/threats/cve-2026-59666-cross-site-scripting-vulnerability-in-the-repasat-application)
- [Repasat cross-site scripting in parameters](https://junglewise.ai/threats/cve-2026-95662-cross-site-scripting-vulnerability-in-the-repasat-application)
- [Repasat multiple cross-site scripting vulnerabilities](https://junglewise.ai/threats/cve-2026-59673-cross-site-scripting-vulnerability-in-the-repasat-application)