Serendipity has a Host Header Injection allows SMTP header injection via unvalidated HTTP_HOST in Message-ID email header

Summary Serendipity inserts $SERVER'HTTPHOST' directly into the Message-ID SMTP header without any validation beyond CRLF stripping. An attacker who can control the Host header during an email-triggering action can inject arbitrary SMTP headers into outgoing emails, enabling spam relay, BCC...

ThreatsDay Bulletin: Hybrid P2P Botnet, 13-Year-Old Apache RCE and 18 More Stories

Thursday. Another week, another batch of things that probably should've been caught sooner but weren't. This one's got some range — old vulnerabilities getting new life, a few "why was that even possible" moments, attackers leaning on platforms and tools you'd normally trust without thinking twic...

ruby: SMTP command injection via CRLF sequences in RCPT TO or MAIL FROM commands in Net::SMTP

A SMTP command injection flaw was found in the way Ruby's Net::SMTP module handled CRLF sequences in certain SMTP commands. An attacker could potentially use this flaw to inject SMTP commands in a SMTP session in order to facilitate phishing attacks or spam campaigns...

ruby: SMTP command injection via CRLF sequences in RCPT TO or MAIL FROM commands in Net::SMTP

A SMTP command injection flaw was found in the way Ruby's Net::SMTP module handled CRLF sequences in certain SMTP commands. An attacker could potentially use this flaw to inject SMTP commands in a SMTP session in order to facilitate phishing attacks or spam campaigns...

CVE-2026-39331 ChurchCRM has an API Authorization Bypass Allows Authenticated User to Deactivate, Modify, and Spam Arbitrary Families

ChurchCRM is an open-source church management system. Prior to 7.1.0, an authenticated API user can modify any family record's state without proper authorization by simply changing the familyId parameter in requests, regardless of whether they possess the required EditRecords privilege...

EUVD-2026-19826

ChurchCRM is an open-source church management system. Prior to 7.1.0, an authenticated API user can modify any family record's state without proper authorization by simply changing the familyId parameter in requests, regardless of whether they possess the required EditRecords privilege...

CVE-2026-39331 ChurchCRM has an API Authorization Bypass Allows Authenticated User to Deactivate, Modify, and Spam Arbitrary Families

ChurchCRM is an open-source church management system. Prior to 7.1.0, an authenticated API user can modify any family record's state without proper authorization by simply changing the familyId parameter in requests, regardless of whether they possess the required EditRecords privilege...

PocketMine-MP: Network amplification vulnerability with `ActorEventPacket`

Impact The server handles ActorEventPacket to trigger consuming animations from vanilla clients when they eat food or drink potions. This can be abused to make the server spam other clients, and to waste server CPU and memory. For every ActorEventPacket sent by the client, an animation event will...

GHSA-7HMV-4J2J-PP6F PocketMine-MP: Network amplification vulnerability with `ActorEventPacket`

Impact The server handles ActorEventPacket to trigger consuming animations from vanilla clients when they eat food or drink potions. This can be abused to make the server spam other clients, and to waste server CPU and memory. For every ActorEventPacket sent by the client, an animation event will...

PocketMine-MP: LogDoS by large complex unknown property logging in clientData in LoginPacket

Impact Attackers can put large and/or complex structures as a value to an unknown property in the clientData JWT body in the Minecraft LoginPacket, causing the server to generate very long log messages. Additionally, the property name is logged without any length limitations or sanitization, whic...

WordPress Spam Protect for Contact Form 7 plugin < 1.2.10 - Editor+ Remote Code Execution vulnerability

Editor+ Remote Code Execution vulnerability discovered by Chiao-Lin Yu Steven Meow in WordPress Plugin Spam Protect for Contact Form 7 versions 1.2.10...

CVE-2026-34802

CVE-2026-34802 affects Endian Firewall

EUVD-2026-18128

The Spam Protect for Contact Form 7 WordPress plugin before 1.2.10 allows logging to a PHP file, which could allow an attacker with editor access to achieve Remote Code Execution by using a crafted header...

CVE-2026-1540

The Spam Protect for Contact Form 7 WordPress plugin before 1.2.10 allows logging to a PHP file, which could allow an attacker with editor access to achieve Remote Code Execution by using a crafted header...

CVE-2026-1540 Spam Protect for Contact Form 7 < 1.2.10 - Editor+ Remote Code Execution

The Spam Protect for Contact Form 7 WordPress plugin before 1.2.10 allows logging to a PHP file, which could allow an attacker with editor access to achieve Remote Code Execution by using a crafted header...

CVE-2026-1540

The Spam Protect for Contact Form 7 WordPress plugin versions prior to 1.2.10 is vulnerable to Remote Code Execution (RCE) . The root cause is the plugin's ability to log data to a PHP file , which can be exploited by an attacker with editor access using a crafted header . No specific exploit lin...

CVE-2026-1540

The Spam Protect for Contact Form 7 WordPress plugin before 1.2.10 allows logging to a PHP file, which could allow an attacker with editor access to achieve Remote Code Execution by using a crafted header...

PT-2026-29683

CVE-2026-1540 The Spam Protect for Contact Form 7 WordPress plugin before 1.2.10 allows logging to a PHP file, which could allow an attacker with editor access to achieve Remote Code… https://t.co/IMmhcpMAZ9...

CVE-2026-34802: Improper Neutralization of Input During Web Page Generation

Endian Firewall version 3.3.25 and prior allow stored cross-site scripting XSS via the remark user ham spam parameter to /cgi-bin/salearn.cgi. An authenticated attacker can inject arbitrary JavaScript that is stored and executed when other users view the affected page...

WordPress plugin Spam Protect for Contact Form 安全漏洞

WordPress and WordPress plugins are both products of the WordPress Foundation. WordPress is a blog platform developed using the PHP language. This platform allows users to create personal blog websites on servers based on PHP and MySQL. A WordPress plugin is an application that can be installed t...