CVE-2026-88020CWE-79cross-site-scripting

CVE-2026-88020

Medium · published September 23, 2026

CVSS v3.1
6.1
EPSS
0%
Percentile
18.9
In the wild
Unconfirmed
What it is

Autonomy Logic OpenPLC 3 is susceptible to an improper neutralization of input during web page generation vulnerability when the web interface attempts to route the program based on a query string parameter with no encoding.

The record
Technical detail
CVSS v3.1
6.1 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
CVSS v4.0
5.3 · CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N
EPSS
0.00275 · 18.9th percentile
Weakness
CWE-79 · Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Published
2026-09-23T01:17Z
References (2)
https://github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2026/icsa-26-265-09.json · [email protected]https://www.cisa.gov/news-events/ics-advisories/icsa-26-265-09 · [email protected]
EPSS history
Timeline
  • 24 SEP 03:25Z
    EPSS moved — → 0%
    epss
  • 22 SEP 20:40Z
    Improper Neutralization of Input During Web Page Generation in OpenPLC Runtime v3
    cvelistv5