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CVE-2026-27964

FacturaScripts: Reflected Cross-Site Scripting (XSS) via Cookie Manipulation

Published: May 18, 2026Updated: May 19, 2026 Sources: CVE List NVDCWE-79
NVD MITRE
3.9CVSSLOW
EPSS Score
0.1%
Top 98.7%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
No Fix Available

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.

CVSS Vector Breakdown

AV:LAC:LPR:LUI:RS:UC:LI:LA:N
Exploitability
AV:LAttack Vector
Local
AC:LAttack Complexity
Low
PR:LPrivileges Required
Low
UI:RUser Interaction
Required
Scope
S:UScope
Unchanged
Impact
C:LConfidentiality
Low
I:LIntegrity
Low
A:NAvailability
None
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Weaknesses

CWE-79

Affected Products

facturascriptsNeoRazorX
On-prem
Enterprise Software / erp
neorazorxcommercialEnterprise Softwareaka facturascripts, neorazorx/facturascripts

Attack Graph

Products CVE Techniques Tactics

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Exploitability

No known exploits, KEV entries, or remediation guidance available for this vulnerability yet.

MITRE ATT&CK

2 techniques
Execution
Initial Access
View detailed technique mapping

References

https://github.com/NeoRazorX/facturascripts/security/advisories/GHSA-gq5c-rw37-g46c
github.com
https://github.com/NeoRazorX/facturascripts/commit/9066e10326029adf012114e27eb5f3f33f78ecfd
github.com

Timeline

Published
May 18, 2026
Last Updated
May 19, 2026

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