PT-2026-79770

justhtml versions before 1.13.0 contain a cross-site scripting vulnerability in the to markdown function when serializing attacker-controlled pre content. Attackers can place backticks inside sanitized pre elements to break out of fixed-length code fences, allowing raw HTML to execute when the...

CVE-2026-77088: Improper Neutralization of Input During Web Page Generation

justhtml versions 0.9.0 through 1.21.0 contain a cross-site scripting vulnerability in tomarkdown where inline code spans fail to account for blank lines as block boundaries. Attackers can inject blank lines into code or pre element text to break the inline span, causing sanitized HTML to be...

xss-lab

XSS Practice Lab A small local web security lab demonstrating...

dompurify: DOMPurify: Sanitization bypass via hook manipulation

A flaw was found in DOMPurify. An attacker can exploit a vulnerability in how DOMPurify handles its sanitization hooks when default configurations are used. By manipulating the uponSanitizeElement or uponSanitizeAttribute hooks, an attacker can permanently alter the allowed HTML tags and...

dompurify: DOMPurify: Cross-site scripting vulnerability via attacker-controlled nodeName

A flaw was found in DOMPurify. This cross-site scripting XSS vulnerability exists in INPLACE mode, where the software trusts attacker-controlled nodeName on live non-form nodes. A remote attacker can supply hostile live Document Object Model DOM objects with script children. These scripts can...

dompurify: DOMPurify: Cross-Site Scripting vulnerability allows arbitrary code execution

A flaw was found in DOMPurify. This vulnerability, a type of Cross-Site Scripting XSS, occurs when HTML that has been sanitized is reinserted into specific parsing contexts using innerHTML with certain HTML elements like script or iframe. An attacker can craft malicious input that, during...

dompurify: DOMPurify: Cross-site scripting vulnerability via attacker-controlled nodeName

A flaw was found in DOMPurify. This cross-site scripting XSS vulnerability exists in INPLACE mode, where the software trusts attacker-controlled nodeName on live non-form nodes. A remote attacker can supply hostile live Document Object Model DOM objects with script children. These scripts can...

DOMPurify: DOMPurify: Cross-site scripting due to state leakage in sanitization.

A flaw was found in DOMPurify. This vulnerability allows a remote attacker to perform cross-site scripting XSS by exploiting a state leakage issue. Specifically, function predicates used for adding attributes or tags during sanitization can persist across multiple calls to the sanitize function...

java-1.8.0-openjdk: Fix of 6 CVEs

Upgrade to openjdk-shenandoah-jdk8u-shenandoah-jdk8u502-b07. That fixes following CVEs: - CVE-2026-46968: JSSE, remote high-complexity integrity flaw in TLS certificate handling - CVE-2026-47010: ImageIO, remote high-complexity low-impact integrity flaw in JPEG handling - CVE-2026-47021: 2D,...

xsslab

XSS Educational Learning Lab 🛡️ An interactive, educational w...

SUSE CVE-2026-77643

A cross-site scripting vulnerability in queryparser/termgeneratorinternal.cc in Xapian xapian-core before 2.1.0 and before 1.4.32 exists due to incomplete HTML escaping by Xapian::MSet::snippet. NOTE: this issue exists because of a missed corner case of CVE-2018-0499...

CVE-2026-61824

Defuddle cleans up HTML pages. Prior to 0.19.1, site extractors interpolate page-derived image alt and src values, og:image values, and video descriptions into HTML strings without context-appropriate escaping, and buildExtractorResponse returns this contentHtml without the main pipeline's...

CVE-2026-30890

Combodo iTop is a web based IT service management tool. Prior to 3.2.3, there is a Reflected Cross-Site Scripting XSS vulnerability in the synchro import script. This issue has been fixed in version 3.2.3...

CVE-2026-31880

Combodo iTop is a web based IT service management tool. Prior to 3.2.3, there is a Reflected Cross-Site Scripting XSS vulnerability in the universal search. This issue has been fixed in version 3.2.3...

CVE-2026-30826

Combodo iTop is a web based IT service management tool. Prior to 3.2.3, there is a Reflected Cross-Site Scripting XSS vulnerability in the testing OQL query functionality. This issue has been fixed in version 3.2.3...

Cross-site Scripting (XSS)

Overview yourls/yourls is an is a set of PHP scripts that allow you to run Your Own URL Shortener. Affected versions of this package are vulnerable to Cross-site Scripting XSS in the processing of HTTP Referer headers in statistics chart rendering. An attacker can execute arbitrary JavaScript in...

NPM: Defuddle vulnerable to XSS via unescaped attribute interpolation in site extractors

NPM: Defuddle vulnerable to XSS via unescaped attribute interpolation in site extractors vulnerability discovered by ? in WordPress Npm defuddle versions = 0.19.0...

GHSA-JG4P-G6XJ-4QMF Defuddle vulnerable to XSS via unescaped attribute interpolation in site extractors

Summary An Improper Neutralization of Input During Web Page Generation issue in the site extractor component allows an attacker-controlled attribute value to be injected into output HTML without escaping. An attacker who crafts a malicious HTML page or controls content on a matching domain can...

Defuddle vulnerable to XSS via unescaped attribute interpolation in site extractors

Summary An Improper Neutralization of Input During Web Page Generation issue in the site extractor component allows an attacker-controlled attribute value to be injected into output HTML without escaping. An attacker who crafts a malicious HTML page or controls content on a matching domain can...

CVE-2026-31803 Combodo iTop: Reflected XSS in tag admin

Combodo iTop is a web based IT service management tool. Prior to 3.2.3, 3.2.3, there is a Reflected Cross-Site Scripting XSS vulnerability in pages/tagadmin.php. This issue has been fixed in version 3.2.3...