CVE-2026-41148 Mermaid: Improper sanitization of `classDefs` in diagrams leads to CSS injection

Mermaid is a JavaScript tool that uses Markdown-inspired text to create and modify diagrams and charts. Versions 10.9.5 and prior, in addition to 11.0.0-alpha.1 through 11.12.0 are vulnerable to CSS injection through improper sanitization. The state diagram and any other diagram type that routes...

Snappy : SSRF and local file read via the xsl-style-sheet option

Impact It impacts applications where: - the PHP daemon run with root permissions ; - the application is either running outside a container or has sensitive file access ; It could happens with this kind of workflows: php $stylesheet = $GET'stylesheet'; // = ‘file:///etc/passwd’ $pdf = new...

PT-2026-42615

Impact It impacts applications where: - the PHP daemon run with root permissions ; - the application is either running outside a container or has sensitive file access ; It could happens with this kind of workflows: php $stylesheet = $ GET'stylesheet'; // = ‘file:///etc/passwd’ $pdf = new...

GHSA-W4VJ-R5PG-3722 Mailpit: Concurrent map read & write in proxy CSS rewriter - remote unauth crash (fatal error: concurrent map read and map write)

Summary The screenshot/print proxy /proxy?data=… maintains a package-level assets mapstringMessageAssets cache, but reads the map without holding assetsMutex while a long-running cleanup goroutine and re-entrant CSS-rewriting code path concurrently write to it under the lock. When the...

Mailpit: Concurrent map read & write in proxy CSS rewriter - remote unauth crash (fatal error: concurrent map read and map write)

Summary The screenshot/print proxy /proxy?data=… maintains a package-level assets mapstringMessageAssets cache, but reads the map without holding assetsMutex while a long-running cleanup goroutine and re-entrant CSS-rewriting code path concurrently write to it under the lock. When the...

CVE-2026-6403

The Quick Playground plugin for WordPress is vulnerable to Path Traversal in versions up to and including 1.3.3. This is due to insufficient path validation in the qckplyziptheme function, which appends a user-controlled 'stylesheet' parameter directly to the theme root directory path without...

CVE-2026-6403 Quick Playground <= 1.3.3 - Unauthenticated Path Traversal to Arbitrary File Read via 'stylesheet' Parameter

The Quick Playground plugin for WordPress is vulnerable to Path Traversal in versions up to and including 1.3.3. This is due to insufficient path validation in the qckplyziptheme function, which appends a user-controlled 'stylesheet' parameter directly to the theme root directory path without...

CVE-2026-6403

The Quick Playground plugin for WordPress (up to version 1.3.3) is vulnerable to a Path Traversal flaw. The root cause is insufficient validation in the qckply_zip_theme() function, which directly appends a user-controlled 'stylesheet' parameter to the theme root directory path without sanitizing...

org.webjars.npm:event-calendar__core (>=3.1.0, <=3.7.1), org.webjars.npm:event-calendar__day-grid (3.6.2) +2 more potentially affected by CVE-2026-42573 via org.webjars.npm:svelte (>=3.20.1, <=4.2.19)

org.webjars.npm:svelte MAVEN version =3.20.1, =3.1.0, =3.1.0, =3.6.2 - org.webjars.npm:stylesheet-switcher 3.0.0 Source cves: CVE-2026-42573 Source advisory: SNYK:JAVA-ORGWEBJARSNPM-16697542...

org.webjars.npm:event-calendar__core (>=3.1.0, <=3.7.1), org.webjars.npm:event-calendar__day-grid (3.6.2) +2 more potentially affected by CVE-2026-42599 via org.webjars.npm:svelte (>=3.20.1, <=4.2.19)

org.webjars.npm:svelte MAVEN version =3.20.1, =3.1.0, =3.1.0, =3.6.2 - org.webjars.npm:stylesheet-switcher 3.0.0 Source cves: CVE-2026-42599 Source advisory: SNYK:JAVA-ORGWEBJARSNPM-16697616...

mail/mailpit -- multiple vulnerabilities

Mailpit author reports: Set a default 50MB per message limit to prevent DoS via unlimited SMTP DATA and /api/v1/send body sizes GHSA-fpxj-m5q8-fphw Include CGNAT Carrier-Grade NAT in internal IP checks GHSA-j3fj-qppj-fmmc Block internal IP access by default in HTML check GHSA-j3fj-qppj-fmmc Fix f...

Arbitrary Code Injection

Overview org.webjars.npm:mermaid is a package for generation of diagrams and flowcharts from text in a similar manner as markdown. Affected versions of this package are vulnerable to Arbitrary Code Injection due to improper sanitization of configuration options such as fontFamily, themeCSS, and...

PT-2026-39888

Name of the Vulnerable Software and Affected Versions Mermaid versions prior to 11.15.0 Mermaid versions prior to 10.9.6 Description Default configuration allows the injection of CSS that applies outside of the Mermaid diagram. This occurs through the fontFamily, themeCSS, and altFontFamily...

Ubuntu 16.04 LTS / 18.04 LTS : HtmlUnit vulnerability (USN-8220-1)

The remote Ubuntu 16.04 LTS / 18.04 LTS host has a package installed that is affected by a vulnerability as referenced in the USN-8220-1 advisory. It was discovered that HtmlUnit was vulnerable to remote code execution via XSLT when browsing an attacker-controlled webpage. An attacker could...

BIT-JRE-2025-7424 Libxslt: type confusion in xmlnode.psvi between stylesheet and source nodes

A flaw was found in the libxslt library. The same memory field, psvi, is used for both stylesheet and input data, which can lead to type confusion during XML transformations. This vulnerability allows an attacker to crash the application or corrupt memory. In some cases, it may lead to denial of...

BIT-JRE-2022-34169 Apache Xalan Java XSLT library is vulnerable to an integer truncation issue when processing malicious XSLT stylesheets

The Apache Xalan Java XSLT library is vulnerable to an integer truncation issue when processing malicious XSLT stylesheets. This can be used to corrupt Java class files generated by the internal XSLTC compiler and execute arbitrary Java bytecode. Users are recommended to update to version 2.7.3 o...

PT-2026-38843

xsltGetInheritedNsList in libxslt before 1.1.43 has a use-after-free issue related to exclusion of result prefixes...

PT-2026-38846

A use-after-free vulnerability was found in libxslt while parsing xsl nodes that may lead to the dereference of expired pointers and application crash...

PT-2026-38404

Name of the Vulnerable Software and Affected Versions css parser versions prior to 1.22.0 css parser versions prior to 2.1.0 Description The software fails to validate HTTPS connections when loading stylesheets, which allows a Man-in-the-Middle MITM attacker to inject or modify CSS content. This...

Nokogiri XSLT transform has a memory leak

Summary Nokogiri's Nokogiri::XSLT::Stylesheettransform leaks a small heap allocation when passed a Ruby string parameter containing a null byte. For applications that pass attacker-controlled input through XSLT.transform parameters, this may be a vector for a denial of service attack against...