EUVD-2026-69792

NocoBase fails to sanitize rich text field values in the read renderer, allowing users with create permissions to store malicious HTML with event handlers. Attackers can write arbitrary markup through the collection API that executes in the browsers of all users viewing the affected record...

CVE-2026-84701

NocoBase is vulnerable to stored cross-site scripting (XSS) due to insufficient sanitization of rich text field values in the read renderer (specifically ReadPretty.tsx). An attacker with create permissions can inject arbitrary HTML with event handlers via the collection API, which then executes ...

CVE-2025-13401-XSS-Stored

Proof of Concept: Stored XSS in Autoptimize tags for images found in the content when image optimization or preloading is enabled. In version 3.1.13, the function uses a "blacklist" approach via pregreplace to remove specific attributes like title, alt, , , , and from the original tag before...

EUVD-2026-68325

Allocation of Resources Without Limits or Throttling vulnerability in ash-project ashadmin lets any client that can reach the admin LiveView exhaust the BEAM atom table and crash the entire node. Two LiveView event handlers interned atoms from unvalidated client input: AshAdmin.PageLive's setacto...

dompurify: DOMPurify: Cross-site scripting via permanent attribute allowlist pollution

A flaw was found in DOMPurify. When the setConfig function is used with an uponSanitizeAttribute hook, the ALLOWEDATTR allowlist is not properly cloned. This allows an attacker to register a hook that can permanently modify the shared allowlist, enabling the conditional allowance of dangerous...

dompurify: DOMPurify: Cross-site scripting via permanent attribute allowlist pollution

A flaw was found in DOMPurify. When the setConfig function is used with an uponSanitizeAttribute hook, the ALLOWEDATTR allowlist is not properly cloned. This allows an attacker to register a hook that can permanently modify the shared allowlist, enabling the conditional allowance of dangerous...

CVE-2026-75838

DOMPurify before 3.4.13 contains a cross-site scripting vulnerability in INPLACE sanitization where element-removal hooks fail to neutralize detached subtrees. Attackers can supply HTML with event handlers on descendant elements that execute after sanitization completes, even though the returned...

CVE-2026-75838 DOMPurify before 3.4.13 Cross-Site Scripting via IN_PLACE hook

DOMPurify before 3.4.13 contains a cross-site scripting vulnerability in INPLACE sanitization where element-removal hooks fail to neutralize detached subtrees. Attackers can supply HTML with event handlers on descendant elements that execute after sanitization completes, even though the returned...

EUVD-2026-60602

DOMPurify before 3.4.13 contains a cross-site scripting vulnerability in INPLACE sanitization where element-removal hooks fail to neutralize detached subtrees. Attackers can supply HTML with event handlers on descendant elements that execute after sanitization completes, even though the returned...

EUVD-2026-60577

SpiderFoot fails to HTML-escape correlation titles built from external scan data sources including server banners and metadata. Attackers can inject malicious HTML elements with event handlers into correlation results that execute scripts in the operator's browser when the correlations view is...

PT-2026-76938

DOMPurify before 3.4.13 contains a cross-site scripting vulnerability in IN PLACE sanitization where element-removal hooks fail to neutralize detached subtrees. Attackers can supply HTML with event handlers on descendant elements that execute after sanitization completes, even though the returned...

Cross-site Scripting (XSS)

Overview dompurify is a DOM-only XSS sanitizer for HTML, MathML and SVG. Affected versions of this package are vulnerable to Cross-site Scripting XSS in the INPLACE sanitization process when a hook removes an element, leaving its detached descendants with executable event handlers. An attacker ca...

CVE-2026-69151 Angular i18n: Cross-Site Scripting (XSS) via event-handler attributes

Angular is a development platform for building mobile and desktop web applications using TypeScript/JavaScript and other languages. Prior to 20.3.27, 21.2.19, and 22.0.1, the Angular compiler i18n pipeline permits i18n-onerror and other i18n-on event-handler attributes, allowing a lower-trust...

CVE-2026-69151 Angular i18n: Cross-Site Scripting (XSS) via event-handler attributes

Angular is a development platform for building mobile and desktop web applications using TypeScript/JavaScript and other languages. Prior to 20.3.27, 21.2.19, and 22.0.1, the Angular compiler i18n pipeline permits i18n-onerror and other i18n-on event-handler attributes, allowing a lower-trust...

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...

CVE-2026-65914

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...

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...

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...