CVE-2026-42180

Lemmy prior to version 0.19.18 is affected by a server-side request forgery: an authenticated low-privilege user can create a link post via POST /api/v3/post, and when posted to public communities Lemmy dispatches a Webmention to the target. The code path only validates the URL’s syntax/scheme (h...

CVE-2026-42180 Lemmy: SSRF in /api/v3/post via Webmention dispatch

Lemmy is a link aggregator and forum for the fediverse. Prior to version 0.19.18, Lemmy allows an authenticated low-privileged user to create a link post through POST /api/v3/post. When a post is created in a public community, the backend asynchronously sends a Webmention to the attacker-controll...

CVE-2026-42180 Lemmy: SSRF in /api/v3/post via Webmention dispatch

Lemmy is a link aggregator and forum for the fediverse. Prior to version 0.19.18, Lemmy allows an authenticated low-privileged user to create a link post through POST /api/v3/post. When a post is created in a public community, the backend asynchronously sends a Webmention to the attacker-controll...

Lemmy has SSRF in /api/v3/post via Webmention dispatch

Summary Lemmy allows an authenticated low-privileged user to create a link post through POST /api/v3/post. When a post is created in a public community, the backend asynchronously sends a Webmention to the attacker-controlled link target. The submitted URL is checked for syntax and scheme, but th...

GHSA-3JVJ-V6W2-H948 Lemmy has SSRF in /api/v3/post via Webmention dispatch

Summary Lemmy allows an authenticated low-privileged user to create a link post through POST /api/v3/post. When a post is created in a public community, the backend asynchronously sends a Webmention to the attacker-controlled link target. The submitted URL is checked for syntax and scheme, but th...

MyBB Like Plugin 跨站脚本漏洞

MyBB Like Plugin is an extension for forums developed by MyBB Corporation. Version 3.0.0 of MyBB Like Plugin contains a cross-site scripting vulnerability. This vulnerability arises from the lack of validation of topic content when posts or topics are created, which may allow attackers to inject...

CVE-2026-1916 WPGSI: Spreadsheet Integration <= 3.8.3 - Missing Authorization to Unauthenticated Arbitrary Post Creation and Deletion via Forged Base64 Token

The WPGSI: Spreadsheet Integration plugin for WordPress is vulnerable to unauthorized modification and loss of data due to missing capability checks and an insecure authentication mechanism on the wpgsicallBackFuncAccept and wpgsicallBackFuncUpdate REST API functions in all versions up to, and...

WordPress WPGSI: Spreadsheet Integration plugin <= 3.8.3 - Missing Authorization to Unauthenticated Arbitrary Post Creation and Deletion via Forged Base64 Token vulnerability

Missing Authorization to Unauthenticated Arbitrary Post Creation and Deletion via Forged Base64 Token vulnerability discovered by Osvaldo Noe Gonzalez Del Rio Os - cyberdogzmarketing.com | krei.dev | ogbuilders.io in WordPress Plugin Spreadsheet Integration – Automate Google Sheets With WordPress...

WordPress Community by PeepSo plugin < 6.3.1.2 - User Post Creation via CSRF vulnerability

User Post Creation via CSRF vulnerability discovered by Bikram Kharal in WordPress Plugin Community by PeepSo versions 6.3.1.2...

Cross-site Scripting (XSS)

Overview OrchardCore is an application framework for building modular, multi-tenant applications on ASP.NET Core. Affected versions of this package are vulnerable to Cross-site Scripting XSS via the MarkdownBodyPart.Source parameter during blog post creation. An attacker can execute arbitrary...

CVE-2026-1103

CVE-2026-1103 affects the WordPress AIKTP plugin up to version 5.0.04. The vulnerability arises from missing authorization checks on the /aiktp/getToken REST endpoint, which uses verify_user_logged_in (only confirming login) and does not verify administrative capabilities. As a result, authentica...

CVE-2024-2447

Mattermost versions 8.1.x before 8.1.11, 9.3.x before 9.3.3, 9.4.x before 9.4.4, and 9.5.x before 9.5.2 fail to authenticate the source of certain types of post actions, allowing an authenticated attacker to create posts as other users via a crafted post action...

Linux Distros Unpatched Vulnerability : CVE-2023-53952

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Dotclear 2.25.3 contains a remote code execution vulnerability that allows authenticated attackers to upload malicious PHP files with .phar extension through th...

CVE-2023-53952

Dotclear 2.25.3 contains a remote code execution vulnerability that allows authenticated attackers to upload malicious PHP files with .phar extension through the blog post creation interface. Attackers can upload files containing PHP system commands that execute when the uploaded file is accessed...

UBUNTU-CVE-2023-53952

Dotclear 2.25.3 contains a remote code execution vulnerability that allows authenticated attackers to upload malicious PHP files with .phar extension through the blog post creation interface. Attackers can upload files containing PHP system commands that execute when the uploaded file is accessed...

CVE-2023-53952

Dotclear 2.25.3 contains a remote code execution vulnerability that allows authenticated attackers to upload malicious PHP files with .phar extension through the blog post creation interface. Attackers can upload files containing PHP system commands that execute when the uploaded file is accessed...

CVE-2025-12352

The Gravity Forms plugin for WordPress is vulnerable to arbitrary file uploads due to missing file type validation in the copypostimage function in all versions up to, and including, 2.9.20. This makes it possible for unauthenticated attackers to upload arbitrary files on the affected site's serv...

CVE-2025-12352 Gravity Forms <= 2.9.20 - Unauthenticated Arbitrary File Upload via 'copy_post_image'

The Gravity Forms plugin for WordPress is vulnerable to arbitrary file uploads due to missing file type validation in the copypostimage function in all versions up to, and including, 2.9.20. This makes it possible for unauthenticated attackers to upload arbitrary files on the affected site's serv...

CVE-2025-12352 Gravity Forms <= 2.9.20 - Unauthenticated Arbitrary File Upload via 'copy_post_image'

The Gravity Forms plugin for WordPress is vulnerable to arbitrary file uploads due to missing file type validation in the copypostimage function in all versions up to, and including, 2.9.20. This makes it possible for unauthenticated attackers to upload arbitrary files on the affected site's serv...

CVE-2025-12156 Ai Auto Tool Content Writing Assistant (Gemini Writer, ChatGPT ) All in One 2.0.7 - 2.2.6 - Missing Authorization to Authenticated (Subscriber+) Post Creation

The Ai Auto Tool Content Writing Assistant Gemini Writer, ChatGPT All in One plugin for WordPress is vulnerable to unauthorized modification of data due to a missing capability check on the savepostdata function in versions 2.0.7 to 2.2.6. This makes it possible for authenticated attackers, with...