GHSA-72H5-39R7-R26J AVideo - Incomplete Fix for CVE-2026-27568: Stored XSS via Markdown `javascript:` URI Bypasses ParsedownSafeWithLinks Sanitization

Summary The fix for CVE-2026-27568 GHSA-rcqw-6466-3mv7 introduced a custom ParsedownSafeWithLinks class that sanitizes raw HTML and tags in comments, but explicitly disables Parsedown's safeMode. This creates a bypass: markdown link syntax text is processed by Parsedown's inlineLink method, which...

CVE-2026-33066

SiYuan is a personal knowledge management system. In versions 3.6.0 and below, the backend renderREADME function uses lute.New without calling SetSanitizetrue, allowing raw HTML embedded in Markdown to pass through unmodified. The frontend then assigns the rendered HTML to innerHTML without any...

EUVD-2026-13192

Discourse is an open-source discussion platform. Prior to versions 2026.3.0-latest.1, 2026.2.1, and 2026.1.2, the onebox method in the SharedAiConversation model renders the conversation title directly into HTML without proper sanitization. Versions 2026.3.0-latest.1, 2026.2.1, and 2026.1.2 conta...

Ubuntu 16.04 LTS / 18.04 LTS / 20.04 LTS : Bleach vulnerabilities (USN-8077-1)

The remote Ubuntu 16.04 LTS / 18.04 LTS / 20.04 LTS host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-8077-1 advisory. It was discovered that Bleach did not properly sanitize URI attributes containing character entities. An attacker could possibly...

Cross-site Scripting (XSS)

Overview league/commonmark is a PHP-based Markdown parser which supports the full CommonMark spec. It is based on the CommonMark JS reference implementation. Affected versions of this package are vulnerable to Cross-site Scripting XSS via the DisallowedRawHtml extension when a newline, tab, or...

USN-8077-1 python-bleach vulnerabilities

It was discovered that Bleach did not properly sanitize URI attributes containing character entities. An attacker could possibly use this issue to construct a URI with a disallowed scheme that would bypass sanitization, leading to cross-site scripting. This issue only affected Ubuntu 18.04 LTS...

Cross-site Scripting (XSS)

Overview nocodb is a NocoDB Affected versions of this package are vulnerable to Cross-site Scripting XSS via the CommentsService component, which uses v-html without proper sanitization. An attacker can execute arbitrary JavaScript code in the context of a user's browser by submitting crafted inp...

CVE-2026-27627

Karakeep is a elf-hostable bookmark-everything app. In version 0.30.0, when the Reddit metascraper plugin returns readableContentHtml, the HTML parsing subprocess uses it directly without running it through DOMPurify. Every other content source in the crawler goes through Readability + DOMPurify,...

PT-2026-21852

Name of the Vulnerable Software and Affected Versions Karakeep version 0.30.0 Description Karakeep is an elf-hostable bookmark-everything app. Version 0.30.0 does not properly sanitize HTML content received from the Reddit metascraper plugin. Specifically, when the plugin returns...

New API has Potential XSS in its MarkdownRenderer component

Summary A potential unsafe operation occurs in component MarkdownRenderer.jsx, allowing for Cross-Site ScriptingXSS when the model outputs items containing tag. Details Line 212-231 of MarkdownRenderer.jsx is unsafe, it use dangerouslySetInnerHTML to preview html the model generates. This can...

CVE-2026-1439 Reflected Cross-Site Scripting (XSS) vulnerability in Graylog Web Interface

Reflected Cross-Site Scripting XSS vulnerability in the Graylog Web Interface console, version 2.2.3, caused by a lack of proper sanitization and escaping in HTML output. Several endpoints include segments of the URL directly in the response without applying output encoding, allowing an attacker ...

Graylog Web Interface 跨站脚本漏洞

The Graylog Web Interface is a web interface provided by the American company Graylog. Version 2.2.3 of the Graylog Web Interface contained a cross-site scripting vulnerability. This vulnerability stemmed from insufficient cleaning and escaping of HTML output, which could allow arbitrary JavaScri...

CVE-2025-65924

ERPNext thru 15.88.1 does not sanitize or remove certain HTML tags specifically hyperlinks in fields that are intended for plain text. Although JavaScript is blocked preventing XSS, the HTML is still preserved in the generated PDF document. As a result, an attacker can inject malicious clickable...

ERPNext 安全漏洞

ERPNext is a set of open-source enterprise resource planning solutions developed by the Indian company ERPNext. Versions of ERPNext 15.88.1 and earlier contained security vulnerabilities. These vulnerabilities stemmed from the failure to clean or remove HTML tags from plain-text fields, which cou...

Freeform Craft Plugin CP UI (builder/integrations) has Stored Cross-Site Scripting (XSS) issue

Summary An authenticated, low-privilege user able to create/edit forms can inject arbitrary HTML/JS into the Craft Control Panel CP builder and integrations views. User-controlled form labels and integration metadata are rendered with dangerouslySetInnerHTML without sanitization, leading to store...

CVE-2026-22849 Saleor lacks proper HTML sanitization in rich text fields

Saleor is an e-commerce platform. Starting in version 3.0.0 and prior to versions 3.20.108, 3.21.43, and 3.22.27, Saleor was allowing users to modify rich text fields with HTML without running any backend HTML cleaners thus allowing malicious actors to perform stored XSS attacks on dashboards and...

CVE-2023-25572

react-admin is a frontend framework for building browser applications on top of REST/GraphQL APIs. react-admin prior to versions 3.19.12 and 4.7.6, along with ra-ui-materialui prior to 3.19.12 and 4.7.6, are vulnerable to cross-site scripting. All React applications built with react-admin and usi...

CVE-2023-45819

TinyMCE is an open source rich text editor. A cross-site scripting XSS vulnerability was discovered in TinyMCE’s Notification Manager API. The vulnerability exploits TinyMCE's unfiltered notification system, which is used in error handling. The conditions for this exploit requires carefully craft...

CVE-2022-23494

tinymce is an open source rich text editor. A cross-site scripting XSS vulnerability was discovered in the alert and confirm dialogs when these dialogs were provided with malicious HTML content. This can occur in plugins that use the alert or confirm dialogs, such as in the image plugin, which...

CVE-2022-0427

Missing sanitization of HTML attributes in Jupyter notebooks in all versions of GitLab CE/EE since version 14.5 allows an attacker to perform arbitrary HTTP POST requests on a user's behalf leading to potential account takeover...