CVE-2026-23738
3.5
CVSS:3.1/AV:A/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N
Summary
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.
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| asterisk | asterisk | < 23.2.2 | affected |
| asterisk | asterisk | < 22.8.2 | affected |
| asterisk | asterisk | < 21.12.1 | affected |
| asterisk | asterisk | < 20.18.2 | affected |
| asterisk | asterisk | < 20.7-cert9 | affected |
Weaknesses
- CWE-79: CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
ADP Enrichment
CISA ADP Vulnrichment
- SSVC:
- Exploitation: none
- Automatable: no
- Technical Impact: partial
References
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