GHSA-8RQ5-WWPP-FMJ2 YAFNET has Stored XSS in Forum Thread Posts/Replies that Allows Arbitrary JavaScript Execution for All Thread Viewers

Description: Stored Cross-Site Scripting XSS occurs when user-supplied input is persisted by the application and later rendered in another user's browser without proper sanitization or contextual output encoding. When the vulnerable sink is a high-traffic surface such as a public forum thread, th...

CVE-2018-25309

MyBB Recent threads 17.0 contains a persistent cross-site scripting vulnerability that allows attackers to inject malicious scripts by creating threads with crafted subject lines. Attackers can create threads with script tags in the subject parameter to execute arbitrary JavaScript in the browser...

CVE-2018-25309 MyBB Recent threads 17.0 Persistent Cross-Site Scripting

MyBB Recent threads 17.0 contains a persistent cross-site scripting vulnerability that allows attackers to inject malicious scripts by creating threads with crafted subject lines. Attackers can create threads with script tags in the subject parameter to execute arbitrary JavaScript in the browser...

EUVD-2018-21830

MyBB Recent threads 17.0 contains a persistent cross-site scripting vulnerability that allows attackers to inject malicious scripts by creating threads with crafted subject lines. Attackers can create threads with script tags in the subject parameter to execute arbitrary JavaScript in the browser...

CVE-2018-25309

CVE-2018-25309 affects MyBB 17.0 Recent Threads. It is a persistent XSS in the thread subject that lets attackers inject scripts to execute in the browsers of users viewing the index page. The root cause is crafted subject lines containing script tags, enabling arbitrary JavaScript execution in a...

CVE-2026-40229

Helpy contains a stored cross-site scripting vulnerability in the post author display logic. Any registered user can persist arbitrary HTML in their account name field and cause it to be rendered unescaped in public forum threads where they participate, in the admin ticket view, and in HTML...

CVE-2026-40229

Helpy (version 2.8.0) has a Stored Cross-Site Scripting (XSS) in the post author display logic (PostsHelper). An authenticated user can persist arbitrary HTML in their account name, which is rendered unescaped in public forum threads, the admin ticket view, and HTML notification emails sent to ot...

CVE-2026-40229 Helpy 2.8.0 - Stored XSS in post author display via PostsHelper

Helpy contains a stored cross-site scripting vulnerability in the post author display logic. Any registered user can persist arbitrary HTML in their account name field and cause it to be rendered unescaped in public forum threads where they participate, in the admin ticket view, and in HTML...

EUVD-2026-26244

Helpy contains a stored cross-site scripting vulnerability in the post author display logic. Any registered user can persist arbitrary HTML in their account name field and cause it to be rendered unescaped in public forum threads where they participate, in the admin ticket view, and in HTML...

CVE-2026-40229 Helpy 2.8.0 - Stored XSS in post author display via PostsHelper

Helpy contains a stored cross-site scripting vulnerability in the post author display logic. Any registered user can persist arbitrary HTML in their account name field and cause it to be rendered unescaped in public forum threads where they participate, in the admin ticket view, and in HTML...

MyBB Recent threads 跨站脚本漏洞

MyBB Recent threads is a plugin provided by MyBB Corporation that displays the latest topic lists on forums. Version 17.0 of MyBB Recent threads contains a cross-site scripting vulnerability. This vulnerability stems from persistent cross-site scripting, allowing attackers to inject malicious...

PT-2026-35950

Name of the Vulnerable Software and Affected Versions Helpy version 2.8.0 Description A stored cross-site scripting issue exists in the post author display logic. A registered user can persist arbitrary HTML in the account name field, which is then rendered unescaped in public forum threads, the...

PT-2026-35992

Name of the Vulnerable Software and Affected Versions MyBB Recent threads version 17.0 Description A persistent cross-site scripting issue allows attackers to inject malicious scripts by creating threads with crafted subject lines. By using script tags in the subject parameter, an attacker can...

CVE-2026-6809

The Social Post Embed plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the Threads embed handler in all versions up to, and including, 2.0.1. This is due to insufficient input sanitization and output escaping on the user-supplied URL. This makes it possible for authenticated...

CVE-2026-6809 Social Post Embed <= 2.0.1 - Authenticated (Contributor+) Stored Cross-Site Scripting via Threads Embed

The Social Post Embed plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the Threads embed handler in all versions up to, and including, 2.0.1. This is due to insufficient input sanitization and output escaping on the user-supplied URL. This makes it possible for authenticated...

EUVD-2026-25987

The Social Post Embed plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the Threads embed handler in all versions up to, and including, 2.0.1. This is due to insufficient input sanitization and output escaping on the user-supplied URL. This makes it possible for authenticated...

CVE-2026-6809 Social Post Embed <= 2.0.1 - Authenticated (Contributor+) Stored Cross-Site Scripting via Threads Embed

The Social Post Embed plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the Threads embed handler in all versions up to, and including, 2.0.1. This is due to insufficient input sanitization and output escaping on the user-supplied URL. This makes it possible for authenticated...

CVE-2026-6809

The Social Post Embed plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the Threads embed handler in all versions up to, and including, 2.0.1. This is due to insufficient input sanitization and output escaping on the user-supplied URL. This makes it possible for authenticated...

CVE-2026-6809

The CVE-2026-6809 entry concerns the WordPress plugin Social Post Embed (versions up to 2.0.1). Affected component: Threads embed handler; root cause: insufficient input sanitization and output escaping on the user-supplied URL, enabling stored XSS by authenticated users with Contributor-level ac...

PT-2026-35660

The Social Post Embed plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the Threads embed handler in all versions up to, and including, 2.0.1. This is due to insufficient input sanitization and output escaping on the user-supplied URL. This makes it possible for authenticated...