Description
PostfixAdmin through 4.0.5 contains a stored cross-site scripting vulnerability that allows authenticated mailbox users to inject script by creating a TOTP exception with an unescaped description. When a global administrator views totp-exceptions.php, the script runs in the admin session and can issue authenticated admin requests using the page's CSRF token.
Published: 2026-11-03
Score: 5.1 Medium
EPSS: n/a
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories

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History

Tue, 03 Nov 2026 19:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Tue, 03 Nov 2026 15:30:00 +0000

Type Values Removed Values Added
Description PostfixAdmin through 4.0.5 contains a stored cross-site scripting vulnerability that allows authenticated mailbox users to inject script by creating a TOTP exception with an unescaped description. When a global administrator views totp-exceptions.php, the script runs in the admin session and can issue authenticated admin requests using the page's CSRF token.
Title PostfixAdmin through 4.0.5 Stored XSS via TOTP Exception Description
First Time appeared Postfixadmin Project
Postfixadmin Project postfixadmin
Weaknesses CWE-79
CPEs cpe:2.3:a:postfixadmin_project:postfixadmin:*:*:*:*:*:*:*:*
Vendors & Products Postfixadmin Project
Postfixadmin Project postfixadmin
References
Metrics cvssV3_1

{'score': 5.4, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N'}

cvssV4_0

{'score': 5.1, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N'}


Subscriptions

Postfixadmin Project Postfixadmin
cve-icon MITRE

Status: PUBLISHED

Assigner: VulnCheck

Published:

Updated: 2026-11-03T18:27:55.973Z

Reserved: 2026-11-03T14:46:14.928Z

Link: CVE-2026-121551

cve-icon Vulnrichment

Updated: 2026-11-03T17:20:51.259Z

cve-icon NVD

Status : Awaiting Analysis

Published: 2026-11-03T16:17:27.077

Modified: 2026-11-03T19:18:04.723

Link: CVE-2026-121551

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-11-03T17:30:08Z

Weaknesses