CVE-2026-43880

CVE-2026-43880 involves WWBN AVideo’s endpoint objects/sendEmail.json.php, where unauthenticated calls can send emails using the site’s SMTP and the site’s From/Reply-To identity. When contactForm is omitted, an attacker-supplied email becomes the recipient, while the message From/Reply-To uses t...

PYSEC-2026-109

pretalx is a conference planning tool. Prior to 2026.1.0, an unauthenticated attacker can send arbitrary HTML-rendered emails from a pretalx instance's configured sender address by embedding malformed HTML or markdown link syntax in a user-controlled template placeholder such as the account displ...

CVE-2026-41426

pretalx is a conference planning tool. Prior to 2026.1.0, an unauthenticated attacker can send arbitrary HTML-rendered emails from a pretalx instance's configured sender address by embedding malformed HTML or markdown link syntax in a user-controlled template placeholder such as the account displ...

CVE-2026-41426 pretalx: Email injection via unescaped user-controlled placeholders in pretalx mail templates

pretalx is a conference planning tool. Prior to 2026.1.0, an unauthenticated attacker can send arbitrary HTML-rendered emails from a pretalx instance's configured sender address by embedding malformed HTML or markdown link syntax in a user-controlled template placeholder such as the account displ...

CVE-2026-1043

The PostmarkApp Email Integrator plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin settings in versions up to, and including, 2.4. This is due to insufficient input sanitization and output escaping on the pmaapikey and pmasenderaddress parameters. This makes it...

CVE-2026-1043

The PostmarkApp Email Integrator plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin settings in versions up to, and including, 2.4. This is due to insufficient input sanitization and output escaping on the pmaapikey and pmasenderaddress parameters. This makes it...

GHSA-54WQ-72MP-CQ7C Mailpit has an SMTP Header Injection via Regex Bypass

Vulnerability Report: SMTP Header Injection via Regex Bypass Vulnerable Code: mailpit/internal/smtpd/smtpd.go Executive Summary Mailpit's SMTP server is vulnerable to Header Injection due to an insufficient Regular Expression used to validate RCPT TO and MAIL FROM addresses. An attacker can injec...

CVE-2026-23829

Mailpit is an email testing tool and API for developers. Prior to version 1.28.3, Mailpit's SMTP server is vulnerable to Header Injection due to an insufficient Regular Expression used to validate RCPT TO and MAIL FROM addresses. An attacker can inject arbitrary SMTP headers or corrupt existing...

CVE-2026-23829

Mailpit is an email testing tool and API for developers. Prior to version 1.28.3, Mailpit's SMTP server is vulnerable to Header Injection due to an insufficient Regular Expression used to validate RCPT TO and MAIL FROM addresses. An attacker can inject arbitrary SMTP headers or corrupt existing...

PT-2026-3406

Name of the Vulnerable Software and Affected Versions Mailpit versions prior to 1.28 Description Mailpit, an email testing tool and API for developers, has a header injection issue in its SMTP server. This is due to a flawed regular expression used to validate RCPT TO and MAIL FROM addresses,...

EUVD-2022-51217

Malicious code in bioql PyPI...

EUVD-2025-1726

Malicious code in bioql PyPI...

“I sent you an email from your email account,” sextortion scam claims

In a new version of the old “Hello pervert” emails, scammers are relying on classic email spoofing techniques to try and convince victims that they have lost control of their email account and computer systems. Email spoofing basically comes down to sending emails with a false sender address, a...

SUSE CVE-2025-0510

Thunderbird displayed an incorrect sender address if the From field of an email used the invalid group name syntax that is described in CVE-2024-49040. This vulnerability was fixed in Thunderbird 128.7 and Thunderbird 135...

CVE-2025-0510

Thunderbird displayed an incorrect sender address if the From field of an email used the invalid group name syntax that is described in CVE-2024-49040. This vulnerability affects Thunderbird 128.7 and Thunderbird 135...

CVE-2025-0510

Thunderbird displayed an incorrect sender address if the From field of an email used the invalid group name syntax that is described in CVE-2024-49040. This vulnerability was fixed in Thunderbird 128.7 and Thunderbird 135...

CVE-2025-0510

Thunderbird displayed an incorrect sender address if the From field of an email used the invalid group name syntax that is described in CVE-2024-49040. This vulnerability was fixed in Thunderbird 128.7 and Thunderbird 135...

CVE-2025-0510

Thunderbird vulnerability: The From address can be displayed incorrectly when the From field uses the invalid group name syntax described in CVE-2024-49040. Affects Thunderbird <128.7 and

CVE-2025-0510 Address of e-mail sender can be spoofed by malicious email

Thunderbird displayed an incorrect sender address if the From field of an email used the invalid group name syntax that is described in CVE-2024-49040. This vulnerability was fixed in Thunderbird 128.7 and Thunderbird 135...

CVE-2025-0510

Thunderbird displayed an incorrect sender address if the From field of an email used the invalid group name syntax that is described in CVE-2024-49040. This vulnerability was fixed in Thunderbird 128.7 and Thunderbird 135...