SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityAnalyzed

CVE-2026-23997

In 2025.71 and earlier, a Stored Cross-Site Scripting (XSS) vulnerability was discovered in the Observations field.

CRITICAL 9.0EPSS 0.39%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (0.39%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

FacturaScripts is open-source enterprise resource planning and accounting software. In 2025.71 and earlier, a Stored Cross-Site Scripting (XSS) vulnerability was discovered in the Observations field. The flaw occurs in the History view, where historical data is rendered without proper HTML entity encoding. This allows an attacker to execute arbitrary JavaScript in the browser of viewing the history by administrators.

CVSS 3.1
9.0 CRITICALCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H
EPSS
0.39% probability · 33th percentile
CISA KEV
Not listed
Weakness
CWE-79
Affected
facturascripts/facturascripts
Source
security-advisories@github.com

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.