CVE-2026-21768: Improper Input Validation

The compose-rich-editor library v1.0.0-rc14 used in HCL Verse for Android's rich text email composition fails to properly validate all HTML input thereby allowing malicious content to be executed in certain situations...

PT-2026-50924

Name of the Vulnerable Software and Affected Versions compose-rich-editor version 1.0.0-rc14 Description The compose-rich-editor library, used in HCL Verse for Android for rich text email composition, fails to properly validate HTML input. This lack of validation allows malicious content to be...

OPENSUSE-SU-2026:20827-1 Security update for python-mistune

This update for python-mistune fixes the following issues - CVE-2026-33079: ReDoS in LINKTITLERE can lead to denial of service via a crafted Markdown bsc1264347. - CVE-2026-33441: processing of malformed reference links can lead to excessive resource consumption and denial of service bsc1264752. ...

Cross-site Scripting (XSS)

Overview github.com/golang/net/html is a package that implements an HTML5-compliant tokenizer and parser. Affected versions of this package are vulnerable to Cross-site Scripting XSS via the childTextNodesAreLiteral function in render.go. An attacker can cause the execution of scripts in the...

EUVD-2026-31294

Open ISES Tickets before 3.44.2 contains a reflected cross-site scripting vulnerability in dbloader.php that allows authenticated attackers to inject arbitrary JavaScript by passing an unsanitized value through the multiple POST parameters ticketshost, ticketsdb, ticketsuser, ticketspassword,...

CVE-2026-35016 Open ISES Tickets < 3.44.2 Reflected XSS via search.php frm_query Parameter

Open ISES Tickets before 3.44.2 contains a reflected cross-site scripting vulnerability in search.php that allows authenticated attackers to inject arbitrary JavaScript by passing an unsanitized value through the frmquery POST parameter directly into an HTML input field VALUE attribute. Attackers...

CVE-2026-45347

CVE-2026-45347 concerns Open WebUI, a self-hosted offline AI platform. The vulnerability is a blind server-side request forgery (SSRF) via the PDF generate function, where user inputs embedded in the PDF are processed as HTML. Tests show most dangerous tags (e.g., iframe, object) are blocked, but...

PT-2026-41388

Name of the Vulnerable Software and Affected Versions NukeViet CMS versions prior to 4.5.08 Description Stored Cross-Site Scripting XSS occurs due to insufficient server-side input sanitization in the Request class. The application relies on client-side filtering to sanitize HTML tags and...

CLSA-2026-1778233301 python3.9: Fix of 7 CVEs

CVE-2025-1795: fix incorrect parsing of email addresses with special chars - CVE-2025-4516: fix use-after-free in unicode-escape decoder with non-strict error handler - CVE-2025-6069: fix quadratic complexity in HTMLParser special input - CVE-2025-8291: fix zip64 end-of-central-directory record...

CVE-2026-40593

ChurchCRM is an open-source church management system. In versions prior to 7.2.0, the User Editor UserEditor.php renders stored usernames directly into an HTML input value attribute without applying htmlspecialchars. An administrator can save a username containing HTML attribute-breaking characte...

Linux Distros Unpatched Vulnerability : CVE-2026-20031

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - A vulnerability in the HTML Cascading Style Sheets CSS module of ClamAV could allow an unauthenticated, remote attacker to cause a denial of service DoS conditi...

Arbitrary File Upload

Overview Affected versions of this package are vulnerable to Arbitrary File Upload via the file upload. An administrator can execute arbitrary JavaScript in the context of the application by uploading a crafted SVG or HTML file containing malicious scripts, which are then served to users without...

CVE-2026-4329: Improper Neutralization of Input During Web Page Generation

The Blackhole for Bad Bots plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the User-Agent HTTP header in all versions up to and including 3.8. This is due to insufficient input sanitization and output escaping. The plugin uses sanitizetextfield when capturing bot data which...

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...

CVE-2026-30841

Wallos is an open-source, self-hostable personal subscription tracker. Prior to version 4.6.2, passwordreset.php outputs $GET"token" and $GET"email" directly into HTML input value attributes using and without calling htmlspecialchars. This allows reflected XSS by breaking out of the attribute...

GHSA-5WMX-573V-2QWQ Python-Markdown has an Uncaught Exception

Python-Markdown version 3.8 contain a vulnerability where malformed HTML-like sequences can cause html.parser.HTMLParser to raise an unhandled AssertionError during Markdown parsing. Because Python-Markdown does not catch this exception, any application that processes attacker-controlled Markdown...

CVE-2026-27502

SVXportal version 2.5 and prior contain a reflected cross-site scripting vulnerability in log.php via the search query parameter. The application embeds the unsanitized parameter value directly into an HTML input value attribute, allowing an unauthenticated remote attacker to inject and execute...

CVE-2026-26273

Known is a social publishing platform. Prior to 1.6.3, a Critical Broken Authentication vulnerability exists in Known 1.6.2 and earlier. The application leaks the password reset token within a hidden HTML input field on the password reset page. This allows any unauthenticated attacker to retrieve...

GHSA-W4GW-W5JQ-G9JH golang.org/x/net/html has a Quadratic Parsing Complexity issue

The html.Parse function in golang.org/x/net/html has quadratic parsing complexity when processing certain inputs, which can lead to Denial of Service DoS if an attacker provides specially crafted HTML content...

DEBIAN-CVE-2025-58190

The html.Parse function in golang.org/x/net/html has an infinite parsing loop when processing certain inputs, which can lead to denial of service DoS if an attacker provides specially crafted HTML content...