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VulnerabilityPublished

CVE-2026-27964: NeoRazorX facturascripts · Cross-site Scripting

Affects NeoRazorX facturascriptsSource CVE Database V5

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Not known to be exploited · CVSS 3.9 Low : upgrade to 2025.8 when convenient.

Data as of 30 Oct 2026, 11:52 UTC

CVSS 3.1 base score
3.9Low
How severe the flaw is on the 0–10 CVSS scale.
EPSS
0.1% chance of exploitation in 30 days – higher than 1% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
Patch
Available – fixed in 2025.8
CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:N

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 18 May 2026

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponized: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 30 Oct 2026.

What to do

Upgrade facturascripts and neorazorx/facturascripts to 2025.8.

Affected software

ProductAffectedFixed in
NeoRazorXfacturascriptsAffected
  • <2025.8
Fixed in
  • 2025.8
GitHubneorazorx/facturascriptspkg:github/neorazorx/facturascriptsOther threatsAffected
  • <2025.8
Fixed in
  • 2025.8

Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.

AI-suggested

Upgrade FacturaScripts to version 2025.8 or later, where this vulnerability has been fixed. Since the vendor has released a fixed version, applying this official update is the recommended remediation. No other specific mitigations are indicated.

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.

References

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