Cross-site Scripting (XSS)

Overview postorius is an A web user interface for GNU Mailman Affected versions of this package are vulnerable to Cross-site Scripting XSS via the rendering process of the message subject in the Held messages pop-up. An attacker can execute arbitrary scripts in the context of the user's browser b...

mailman-web (>=0.0.5, <=0.0.9) potentially affected by CVE-2026-44742 via postorius (>=1.3.10, <=1.3.13)

postorius PYPI version =1.3.10, =0.0.5, =0.0.9 Source cves: CVE-2026-44742 Source advisory: SNYK:PYTHON-POSTORIUS-16635974...

CVE-2026-44742

Postorius through 1.3.13 does not escape HTML in the message subject when rendering it in the Held messages pop-up, as exploited in the wild in May 2026...

UBUNTU-CVE-2026-44742

Postorius through 1.3.13 does not escape HTML in the message subject when rendering it in the Held messages pop-up, as exploited in the wild in May 2026...

CVE-2026-44742

CVE-2026-44742 affects Postorius up to version 1.3.13. The issue is that the message subject is not HTML-escaped when rendered in the Held messages pop-up, enabling HTML-injection-like rendering as noted “exploited in the wild in May 2026.” The provided sources confirm the affected software and t...

CVE-2026-44742

Postorius through 1.3.13 does not escape HTML in the message subject when rendering it in the Held messages pop-up, as exploited in the wild in May 2026...

CVE-2026-44742

Postorius through 1.3.13 does not escape HTML in the message subject when rendering it in the Held messages pop-up, as exploited in the wild in May 2026...

CVE-2026-44742

Postorius through 1.3.13 does not escape HTML in the message subject when rendering it in the Held messages pop-up, as exploited in the wild in May 2026...

CVE-2026-44742

Postorius through 1.3.13 does not escape HTML in the message subject when rendering it in the Held messages pop-up, as exploited in the wild in May 2026...

CVE-2026-44742

Postorius through 1.3.13 does not escape HTML in the message subject when rendering it in the Held messages pop-up, as exploited in the wild in May 2026...

VulnCheck KEV: CVE-2026-44742

Postorius through 1.3.13 does not escape HTML in the message subject when rendering it in the Held messages pop-up, as exploited in the wild in May 2026...

Postorius 跨站脚本漏洞

Postorius is an open-source web application developed by GNU Mailman for managing email lists. Versions of Postorius 1.3.13 and earlier contained a cross-site scripting vulnerability. This vulnerability stemmed from the lack of escaping of HTML in the message titles when these titles were rendere...

PT-2026-38553

Name of the Vulnerable Software and Affected Versions Postorius versions prior to 1.3.14 Description The software fails to escape HTML in the message subject when rendering it within the Held messages pop-up. This issue was exploited in the wild in May 2026. Recommendations Update to a version...

CVE-2026-44742: Improper Neutralization of Input During Web Page Generation

Postorius through 1.3.13 does not escape HTML in the message subject when rendering it in the Held messages pop-up, as exploited in the wild in May 2026...

Linux Distros Unpatched Vulnerability : CVE-2026-44742

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Postorius through 1.3.13 does not escape HTML in the message subject when rendering it in the Held messages pop-up, as exploited in the wild in May 2026...

CVE-2026-44742

Postorius through 1.3.13 does not escape HTML in the message subject when rendering it in the Held messages pop-up, as exploited in the wild in May 2026...

EUVD-2021-0197

Malware in sbrugna...

EUVD-2021-18868

Malware in sbrugna...

CVE-2021-40347

An issue was discovered in views/list.py in GNU Mailman Postorius before 1.3.5. An attacker logged into any account can send a crafted POST request to unsubscribe any user from a mailing list, also revealing whether that address was subscribed in the first place...

Postorius < 1.3.5 Unsubscribe Vulnerability

Postorius is prone to an unsubscribe vulnerability. SPDX-FileCopyrightText: 2025 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only CPE = "cpe:/a:postoriusproject:postorius";...