Cross-site Scripting (XSS) Affecting asterisk package, versions <1:22.8.2+dfsg+~cs6.15.60671435-1


Severity

Recommended
0.0
medium
0
10

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Threat Intelligence

EPSS
0.16% (6th percentile)

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  • Snyk IDSNYK-DEBIANUNSTABLE-ASTERISK-15246590
  • published7 Feb 2026
  • disclosed6 Feb 2026

Introduced: 6 Feb 2026

CVE-2026-23738  (opens in a new tab)
CWE-79  (opens in a new tab)

How to fix?

Upgrade Debian:unstable asterisk to version 1:22.8.2+dfsg+~cs6.15.60671435-1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream asterisk package and not the asterisk package as distributed by Debian. See How to fix? for Debian:unstable relevant fixed versions and status.

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.

CVSS Base Scores

version 3.1