Spring Framework Cross-site Scripting via JSP Form Tags

Spring MVC applications which accept user-supplied values in the cssClass , cssErrorClass , or cssStyle attributes of JSP tags allow arbitrary HTML/JavaScript code injection, potentially resulting in a cross-site scripting XSS vulnerability...

Medium: python3.9

Issue Overview: http.cookies.Morsel.jsoutput returns an inline snippet and only escapes " for JavaScript string context. It does not neutralize the HTML parser-sensitive sequence inside the generated script element. Mitigation base64-encodes the cookie value to disallow escaping using cookie valu...

PT-2026-47288

Stored cross-site scripting in the service discovery active check output in Checkmk 2.5.0p5, 2.4.0p31, 2.3.0p48, and all 2.2.0 versions allows an administrator who can configure active or custom checks to inject malicious HTML or JavaScript into check output that executes in the browser of an adm...

Medium: perl-Template-Toolkit

Issue Overview: emplate::Plugin::HTML versions through 3.102 for Perl allows HTML and JavaScript to be injected. The htmlfilter function did not escape single quotes. HTML attributes inside of single quotes could be have code injected. For example, the variable "var" in would not be properly...

CVE-2026-44896

A flaw was found in Mistune, a Python Markdown parser. This vulnerability allows a remote attacker to inject malicious code into web pages, leading to Cross-Site Scripting XSS. The issue arises from the renderfigure function, which improperly handles figclass and figwidth options by directly...

CVE-2026-44898

A flaw was found in Mistune, a Python Markdown parser. This vulnerability occurs in the rendertocul function, which is responsible for building a table-of-contents. An attacker can craft malicious heading text that, when processed, allows for the injection of arbitrary HTML tags, including script...

CVE-2025-12669

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 15.11 before 18.9.7, 18.10 before 18.10.6, and 18.11 before 18.11.3 that could have allowed an authenticated user to inject HTML and JavaScript into email notifications sent to other users due to improper input sanitizatio...

CVE-2025-41011

HTML injection vulnerability in PHP Point of Sale v19.4. This vulnerability allows an attacker to render HTML in the victim's browser due to a lack of proper validation of user input by sending a request to '/reports/generate/specificcustomer', ussing 'startdateformatted' y 'enddateformatted'...

CVE-2025-40901

A Stored HTML Injection vulnerability was discovered in the Credentials Manager functionality due to improper validation of an input parameter. An authenticated user with administrative privileges can define a malicious identity containing HTML tags. When a victim attempts to delete the affected...

CVE-2025-40903

A Stored HTML Injection vulnerability was discovered in the Schedule Restore Archive functionality due to improper validation of an input parameter. An authenticated user with administrative privileges can define a malicious restore schedule containing HTML tags. When a victim views the affected...

CVE-2025-40904

A Stored HTML Injection vulnerability was discovered in the Smart Polling functionality due to improper validation of an input parameter. An authenticated user with limited privileges can push malicious remote strategies containing HTML tags through the sync. When a victim views the affected remo...

CVE-2025-40902

A Stored HTML Injection vulnerability was discovered in the Users functionality due to improper validation of an input parameter. An authenticated user with administrative privileges can create a malicious user whose username contains HTML tags. When a victim attempts to delete a group containing...

CVE-2026-43979

Local Deep Research is an AI-powered research assistant for deep, iterative research. Prior to 1.6.0, PDFService.markdowntohtml constructs an HTML document by interpolating user-controlled values — specifically title sourced from research.title or research.query and metadata key-value pairs —...

CVE-2026-41149

A flaw was found in Mermaid, a JavaScript tool for creating diagrams and charts. A remote attacker could exploit this vulnerability by injecting malicious HTML through the classDef directive in Mermaid state diagrams. This allows for Document Object Model DOM injection, which escapes the Scalable...

CVE-2026-33657

EspoCRM is an open source customer relationship management application. Versions 9.3.3 and below have a stored HTML injection vulnerability that allows any authenticated user with standard non-administrative privileges to inject arbitrary HTML into system-generated email notifications by crafting...

CVE-2026-42159

Flowsint is an open-source OSINT graph exploration tool designed for cybersecurity investigation, transparency, and verification. Prior to 1.2.3, Flowsint allows a user to create investigations, which are used to manage sketches and analyses. Sketches have controllable graphs, which are comprised...

CVE-2026-42839

An authenticated ERPNext user with Item record edit permissions can persist arbitrary HTML/JavaScript in the itemname, description, or image fields of an Item and trigger unescaped rendering in the Point of Sale POS cart interface for every operator who adds that item to a transaction.This issue...

CVE-2026-40598

Mantis Bug Tracker MantisBT is an open source issue tracker. In versions 2.28.1 and below, improper escaping of the redirection page retrieved from the request's Referer header allows an attacker to inject HTML. While this is generally not directly actionable as modern browsers will URL-encode...

CVE-2026-40567

FreeScout is a free self-hosted help desk and shared mailbox. Prior to version 1.8.213, an unauthenticated attacker can inject arbitrary HTML into outgoing emails generated by FreeScout by sending an email with a crafted From display name. The name is stored in the database without sanitization a...

CVE-2026-39960

Mantis Bug Tracker MantisBT is an open source issue tracker. Versions 2.28.1 and below contain flawed logic that causes improper escaping of a textarea custom field's contents in the Update Issue page, bugupdatepage.php allowing an attacker to inject HTML and, if CSP settings permit, execute...