FacturaScripts is an open source accounting and invoicing software. Versions 2025.7 and prior contain a Reflected Cross-Site Scripting (XSS) vulnerability through the fsNick cookie parameter. The application reflects the cookie's value directly into the HTML without sanitization. The fsNick cookie is rendered into the DOM without encoding. While the server does reject the modified session and forces a logout, the HTML containing the payload reaches the browser first. This lets the script execute immediately upon load, effectively beating the redirect. This issue has been fixed in version 2025.8.

Project Subscriptions

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Advisories
Source ID Title
Github GHSA Github GHSA GHSA-gq5c-rw37-g46c FacturaScripts vulnerable to Reflected Cross-Site Scripting (XSS) via Cookie Manipulation
Fixes

Solution

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Workaround

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History

Mon, 18 May 2026 22:15:00 +0000

Type Values Removed Values Added
Description FacturaScripts is an open source accounting and invoicing software. Versions 2025.7 and prior contain a Reflected Cross-Site Scripting (XSS) vulnerability through the fsNick cookie parameter. The application reflects the cookie's value directly into the HTML without sanitization. The fsNick cookie is rendered into the DOM without encoding. While the server does reject the modified session and forces a logout, the HTML containing the payload reaches the browser first. This lets the script execute immediately upon load, effectively beating the redirect. This issue has been fixed in version 2025.8.
Title FacturaScripts: Reflected Cross-Site Scripting (XSS) via Cookie Manipulation
Weaknesses CWE-79
References
Metrics cvssV3_1

{'score': 3.9, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:N'}


Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: GitHub_M

Published:

Updated: 2026-05-18T22:05:02.529Z

Reserved: 2026-02-25T03:24:57.793Z

Link: CVE-2026-27964

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-05-18T22:16:38.703

Modified: 2026-05-18T22:16:38.703

Link: CVE-2026-27964

cve-icon Redhat

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cve-icon OpenCVE Enrichment

No data.

Weaknesses