CVE-2026-23738CWE-79

The Asterisk embedded web server 's /httpstatus page echos user supplied values(cookie and query string) without sanitization

Low · published February 6, 2026

CVSS v3.1
3.5
EPSS
0%
Percentile
7.9
In the wild
Unconfirmed
What it is

Asterisk is an open source private branch exchange and telephony toolkit. Prior to versions 20.7-cert9, 20.18.2, 21.12.1, 22.8.2, and 23.2.2, user supplied/control values for Cookies and any GET variable query Parameter are directly interpolated into the HTML of the page using ast_str_append. The endpoint at GET /httpstatus is the potential vulnerable endpoint relating to asterisk/main /http.c. This issue has been patched in versions 20.7-cert9, 20.18.2, 21.12.1, 22.8.2, and 23.2.2.

The record
Technical detail
CVSS v3.1
3.5 · LOW
Vector
CVSS:3.1/AV:A/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N
CVSS v4.0
Not supplied
EPSS
0.00187 · 7.9th percentile
Weakness
CWE-79 · Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Published
2026-02-06T16:41Z
EPSS history
Timeline
  • 06 FEB 16:41Z
    The Asterisk embedded web server 's /httpstatus page echos user supplied values(cookie and query string) without sanitization
    cvelistv5