CVE-2026-14207 LifterLMS < 10.0.10 - Instructor+ Stored XSS via Featured Pricing Information

The LifterLMS WordPress plugin before 10.0.10 does not strip event-handler attributes from a course pricing field before storing and rendering it, allowing users with a course-editing role to inject JavaScript that executes in the session of an administrator who views the course...

PT-2026-63993

DOMPurify before 3.3.2 contains a prototype pollution vulnerability in USE PROFILES mode that allows attackers to bypass attribute filtering by polluting Array.prototype properties. Attackers can set Array.prototype properties like onclick to true, causing DOMPurify to accept event handlers as...

PT-2026-63994

DOMPurify before 3.3.2 contains a mutation-XSS vulnerability when sanitized HTML is reinserted into special parsing contexts using innerHTML with wrappers like script, xmp, iframe, noembed, noframes, or noscript. Attackers can craft payloads with closing sequences that break out of the wrapper...

GO-2026-5965 SiYuan: Stored XSS in Bazaar marketplace via package README event handlers in github.com/siyuan-note/siyuan/kernel

SiYuan: Stored XSS in Bazaar marketplace via package README event handlers in github.com/siyuan-note/siyuan/kernel...

PYSEC-2026-2527 Isso affected by Stored XSS via comment website field

Impact This is a stored Cross-Site Scripting XSS vulnerability affecting the website and author comment fields. The website field was HTML-escaped using quote=False, which left single and double quotes unescaped. Since the frontend inserts the website value directly into a single-quoted href...

GHSA-W7CG-WHH7-XP28 SiYuan: Stored XSS in Bazaar marketplace via package README event handlers

Summary renderPackageREADME in kernel/bazaar/readme.go renders a Bazaar package README from Markdown to HTML with the lute engine and SetSanitizetrue. The lute sanitizer is an event-handler blocklist: allowAttr rejects only attribute names present in a fixed eventAttrs map copied from the w3schoo...

PYSEC-2026-1712 OctoPrint is Vulnerable to RCE Attacks via Unsanitized Filename in File Upload

Impact OctoPrint versions up until and including 1.11.2 contain a vulnerability that allows an authenticated attacker to upload a file under a specially crafted filename that will allow arbitrary command execution if said filename becomes included in a command defined in a system event handler an...

PT-2026-56253

Name of the Vulnerable Software and Affected Versions DataEase versions prior to 2.10.24 Description Dashboard text components render stored content using Vue v-html without server-side HTML sanitization. This allows an authenticated user with permissions to edit dashboard component data to injec...

CVE-2026-54070 SiYuan: Stored XSS in Bazaar marketplace via package README event handlers

SiYuan is an open-source personal knowledge management system. Prior to 3.7.0, renderPackageREADME in kernel/bazaar/readme.go renders a Bazaar package README from Markdown to HTML with the lute engine and SetSanitizetrue. The lute sanitizer is an event-handler blocklist: allowAttr rejects only...

CVE-2026-13208

A flaw was found in KubeVirt's virt-handler domain notify server. The gRPC handlers for HandleDomainEvent and HandleK8SEvent derive the VMI identity namespace/name solely from the request body without validating it against the connection's origin. Each virt-launcher pod connects through a per-VMI...

CVE-2026-54298

Astro is a web framework. Prior to 6.4.6, the spreadAttributes function in Astro's server-side rendering pipeline iterates over object keys and passes them directly to addAttribute, which interpolates the key into the HTML output without escaping. When a developer uses the spread syntax ...props ...

CVE-2026-54298

Astro is a web framework. Prior to 6.4.6, the spreadAttributes function in Astro's server-side rendering pipeline iterates over object keys and passes them directly to addAttribute, which interpolates the key into the HTML output without escaping. When a developer uses the spread syntax ...props ...

CVE-2026-54298 Astro: XSS via Unescaped Attribute Names in Spread Props

Astro is a web framework. Prior to 6.4.6, the spreadAttributes function in Astro's server-side rendering pipeline iterates over object keys and passes them directly to addAttribute, which interpolates the key into the HTML output without escaping. When a developer uses the spread syntax ...props ...

GHSA-JRPJ-WCV7-9FH9 Astro: XSS via Unescaped Attribute Names in Spread Props

Summary The spreadAttributes function in Astro's server-side rendering pipeline iterates over object keys and passes them directly to addAttribute, which interpolates the key into the HTML output without escaping. When a developer uses the spread syntax ...props on an HTML element and the object...

PT-2026-49558

Name of the Vulnerable Software and Affected Versions DOMPurify versions prior to 3.4.6 Description When using DOMPurify.sanitizeroot, IN PLACE: true with a element as the root, an attacker can bypass attribute sanitization. This occurs if a descendant element has a name attribute that clobbers...

CVE-2026-54229

A race condition was found in the abrt-dbus D-Bus service's ChownProblemDir method. ChownProblemDir opens the dump directory with DDOPENREADONLY and calls ddchown to change ownership of all files to the caller's uid, succeeding even while post-create event handlers hold a write lock. This allows ...

EUVD-2026-36625

OpenClaw before 2026.5.6 contains an improper access control vulnerability in Mattermost event handlers that fails to validate channel type metadata. Attackers can bypass intended DM policy decisions by sending crafted Mattermost events missing channel type information to process restricted conte...

CVE-2026-53837

CVE-2026-53837 affects OpenClaw prior to 2026.5.6, where an improper access control vulnerability in Mattermost event handlers fails to validate channel type metadata. Attackers can bypass DM policy decisions by sending crafted Mattermost events that omit channel type information, enabling proces...

CVE-2026-53837 OpenClaw < 2026.5.6 - Missing Channel Type Validation in Mattermost Event Handlers

OpenClaw before 2026.5.6 contains an improper access control vulnerability in Mattermost event handlers that fails to validate channel type metadata. Attackers can bypass intended DM policy decisions by sending crafted Mattermost events missing channel type information to process restricted conte...

PT-2026-49041

Name of the Vulnerable Software and Affected Versions OpenClaw versions prior to 2026.5.6 Description Improper access control in Mattermost event handlers occurs due to a failure to validate channel type metadata. This allows attackers to bypass intended Direct Message DM policy decisions by...