SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityDeferred

CVE-2026-39788

Subscriber Cross Site Scripting (XSS) in Front End PM <= 11.4.6 versions.

MEDIUM 6.5EPSS 0.21%

Does this matter?

Lower severity and a low EPSS score (0.21%). Track it; it rarely justifies an emergency change on its own.

Description

Subscriber Cross Site Scripting (XSS) in Front End PM <= 11.4.6 versions.

CVSS 3.1
6.5 MEDIUMCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:L
EPSS
0.21% probability · 10th percentile
Public exploits
None in Exploit-DB
CISA KEV
Not listed
Weakness
CWE-79
Source
audit@patchstack.com
EPSS trend
0%3%5%6 October 2026: 0.22%26 October 2026: 0.21%6 October 202626 October 2026

EPSS moved from 0.2% on 6 October 2026 to 0.2% on 26 October 2026.

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.