GHSA-4JHM-JV67-739F `lxml_html_clean.Cleaner` does not strip `javascript:` URLs from namespaced URL attributes

lxmlhtmlclean.Cleaner does not strip javascript: URLs from namespaced URL attributes xlink:href Reporter: Guillem Lefait · Date: 2026-05-10 Affected: lxml ≤ 6.1.0 and lxmlhtmlclean ≤ 0.4.4 latest stable Confirmed against: lxml 6.1.0 + lxmlhtmlclean 0.4.4 on Python 3.13.5, 3.14.4, and 3.15.0a8...

CVE-2026-59802

PasswordPusher before 2.8.1 accepts data URI schemes in URL push payloads due to insufficient validation in the validurl function. Attackers can create malicious pushes containing data:text/html URIs that execute arbitrary JavaScript in victims' browsers when clicked, enabling phishing and...

Prototype Pollution

Overview cyberchef is a simple, intuitive web app for carrying out all manner of "cyber" operations within a web browser. Affected versions of this package are vulnerable to Prototype Pollution leading to cross-site scripting in the Series Chart operation and the objToTable function in...

Infinite loop

Overview protobufjs is a protocol buffer for JavaScript & TypeScript. Affected versions of this package are vulnerable to Infinite loop in the option parsing. An attacker can cause the application to enter an infinite loop by submitting a crafted .proto schema that opens an option declaration and...

@0xgraph/cli (>=0.0.1, <=0.2.1), @actra-development-oss/redux-persistable (>=2.0.0, <=3.0.0) +654 more potentially affected by CVE-2026-59880 via immutable (>=4.0.0, <=4.3.8)

immutable NPM version =4.0.0, =0.0.1, =2.0.0, =0.2.1, =0.1.0, =1.0.0, =1.0.0, =0.1.0, =1.0.0, =0.0.1, =0.11.8-rc.0, =0.1.0, =0.3.3 - @alfresco/adf-testing 6.0.0-A.2-8258 - @alys-chain/graph-alys-cli 0.88.0 and more Source cves: CVE-2026-59880 Source advisory: SNYK:JS-IMMUTABLE-17900558...

Cross-site Scripting (XSS)

Overview Affected versions of this package are vulnerable to Cross-site Scripting XSS via the safeurl function. An attacker can execute arbitrary scripts in the rendered HTML by supplying specially crafted percent-encoded javascript URIs in Markdown links or images. Details Cross-site scripting o...

PYSEC-2026-2211

Mistune is a Python Markdown parser with renderers and plugins. Prior to 3.3.0, HTMLRenderer.safeurl does not block percent-encoded javascript URIs, allowing attacker-supplied Markdown links or images to bypass URL protections and execute script in rendered HTML. This issue is fixed in version...

CVE-2026-59923

Mistune is a Python Markdown parser with renderers and plugins. Prior to 3.3.0, HTMLRenderer.safeurl does not block percent-encoded javascript URIs, allowing attacker-supplied Markdown links or images to bypass URL protections and execute script in rendered HTML. This issue is fixed in version...

DEBIAN-CVE-2026-59923

Mistune is a Python Markdown parser with renderers and plugins. Prior to 3.3.0, HTMLRenderer.safeurl does not block percent-encoded javascript URIs, allowing attacker-supplied Markdown links or images to bypass URL protections and execute script in rendered HTML. This issue is fixed in version...

PYSEC-2026-2211

Mistune is a Python Markdown parser with renderers and plugins. Prior to 3.3.0, HTMLRenderer.safeurl does not block percent-encoded javascript URIs, allowing attacker-supplied Markdown links or images to bypass URL protections and execute script in rendered HTML. This issue is fixed in version...

CVE-2026-59892

OpenTelemetry JavaScript is the OpenTelemetry JavaScript client. Prior to 2.9.0, @opentelemetry/propagator-jaeger decodes incoming uber-trace-id and uberctx- HTTP header values with decodeURIComponent without handling decode errors, allowing an unauthenticated remote attacker to send a malformed...

CVE-2026-59923

Mistune is a Python Markdown parser with renderers and plugins. Prior to 3.3.0, HTMLRenderer.safeurl does not block percent-encoded javascript URIs, allowing attacker-supplied Markdown links or images to bypass URL protections and execute script in rendered HTML. This issue is fixed in version...

CVE-2026-59879

Immutable.js provides many Persistent Immutable data structures. Prior to 4.3.9 and 5.1.8, Listset, ListsetSize, ListsetIn, ListupdateIn, and the functional set, setIn, and updateIn mishandle an index or size in the range 2 30 to 2 31 in setListBounds in src/List.js, causing an empty List to ente...

DRUPAL-CONTRIB-2026-073

The module doesn't sufficiently sanitize the Siteimprove Analytics identification code when inserting the JavaScript tracking code; this could be exploited to achieve Cross-Site Scripting XSS. This vulnerability is mitigated by the fact that an attacker must have a role with the permission...

MAL-2026-6988 Malicious code in @vite-tab/tab (npm)

--- -= Per source details. Do not edit below this line.=- Source: amazon-inspector 95af865d1cf7d45f2b4c2a73eebcfcd1a1a6aba9a36f33bf8256ef4d7235903c @vite-tab/tab republishes Vite's codebase under a different name while impersonating the upstream project: package.json declares bin: vite:...

Cross-site Scripting (XSS)

Overview n8n is a n8n Workflow Automation Tool Affected versions of this package are vulnerable to Cross-site Scripting XSS n the credential management flow, where the Authorization URL field of an OAuth2 credential accepts a javascript: URL that is not sanitized before being wired to the OAuth...

Malicious code in chai-redirection (npm)

--- -= Per source details. Do not edit below this line.=- Source: amazon-inspector 38236fbbdbbaa8f8ed9315c3a4ff01fbf049215896036b1cb68611681fe0eb00 chai-redirection presents itself as a chai assertion plugin but its main entry index.js unconditionally spawns a detached Node child process running...

CVE-2026-59929 Mistune renderers/html.safe_url: HARMFUL_PROTOCOLS list misses legacy and chained schemes that historically chain to `javascript:` execution

Mistune is a Python Markdown parser with renderers and plugins. Prior to 3.3.0, the safeurl filter in src/mistune/renderers/html.py blocks only javascript:, vbscript:, file:, and data: schemes, allowing legacy or chained schemes such as feed:, view-source:, jar:, livescript:, mocha:, ms-its:, mk:...

CVE-2026-57439

CyberChef is a web app for encryption, encoding, compression, and data analysis. Prior to 11.2.0, the Series Chart operation accepts proto as a key while parsing user-supplied CSV, allowing prototype pollution that can be chained with operations such as Parse UDP to inject malicious JavaScript in...

CVE-2026-59870

js-yaml is a JavaScript YAML parser and dumper. From 5.0.0 before 5.2.1, YAML11SCHEMA support for the !!omap tag in src/tag/sequence/omap.ts uses omapTag.addItem to perform a linear duplicate-key scan on every insertion, causing On^2 CPU consumption when yaml.load parses a crafted ordered-map...