CVE-2026-90821CWE-79cross-site-scripting

CVE-2026-90821

Medium · published October 16, 2026

CVSS v3.1
5.4
EPSS
0%
Percentile
4.6
In the wild
Unconfirmed
What it is

An input neutralization vulnerability in the Webhook URL form field component of Crafty Controller allows a remote, authenticated attacker to perform stored XSS via malicious form input

The record
Technical detail
CVSS v3.1
5.4 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
CVSS v4.0
Not supplied
EPSS
0.00158 · 4.6th percentile
Weakness
CWE-79 · Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Published
2026-10-16T18:19Z
References (1)
https://gitlab.com/crafty-controller/crafty-4/-/work_items/745 · [email protected]
EPSS history
Timeline
  • 18 OCT 03:33Z
    EPSS moved — → 0%
    epss
  • 16 OCT 13:37Z
    Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') in Crafty Controller
    cvelistv5
  • 16 OCT 13:37Z
    Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') in Crafty Controller
    cvelistv5