GHSA-F3CJ-J4F6-WQ85 Svelte: SSR XSS via Insecure Promise Serialization in hydratable

Contents of hydratable promises were not properly stringified, potentially leading to an XSS exploit. You are vulnerable if all of the following is true: - you are using hydratable an experimental feature at the time of this report - you are passing attacker-controlled input such that a synchrono...

Cross-site Scripting (XSS)

Overview svelte is a package for building web applications. Affected versions of this package are vulnerable to Cross-site Scripting XSS via improper serialization of hydratable promises. An attacker can execute arbitrary scripts in the context of the affected application by supplying specially...

Cross-site Scripting (XSS)

Overview svelte is a package for building web applications. Affected versions of this package are vulnerable to Cross-site Scripting XSS in the handling of attribute spreading and dynamic name attributes within form elements. An attacker can inject malicious scripts by manipulating both the sprea...

GHSA-RCQX-6Q8C-2C42 Svelte Vulnerable to XSS via DOM Clobbering of Internal Framework State

Svelte was vulnerable to DOM clobbering of its internal framework state on elements, potentially leading to XSS attacks. You are vulnerable if all of the following is true: - you are using attribute spreading on a form element - you are using attribute spreading or allow a dynamic value for the...

NPM: Svelte Vulnerable to XSS via DOM Clobbering of Internal Framework State

NPM: Svelte Vulnerable to XSS via DOM Clobbering of Internal Framework State vulnerability discovered by ? in WordPress Npm svelte versions = 5.55.6...

Regular Expression Denial of Service (ReDoS)

Overview svelte is a package for building web applications. Affected versions of this package are vulnerable to Regular Expression Denial of Service ReDoS through the svelte:element tag validation process. An attacker can cause significant performance degradation by supplying specially crafted ta...

NPM: Svelte: ReDoS in `<svelte:element>` Tag Validation

NPM: Svelte: ReDoS in Tag Validation vulnerability discovered by ? in WordPress Npm svelte versions = 5.51.5, = 5.55.6...

Svelte: ReDoS in `<svelte:element>` Tag Validation

An internal regex in the Svelte runtime can take exponential time to test in . You are only vulnerable to this if you allow tags of unconstrained length. If your application only allows a predetermined list of tags or trims their length before passing them to svelte:element, you are safe...

GHSA-9RMH-MM8F-R9H6 Svelte: ReDoS in `<svelte:element>` Tag Validation

An internal regex in the Svelte runtime can take exponential time to test in . You are only vulnerable to this if you allow tags of unconstrained length. If your application only allows a predetermined list of tags or trims their length before passing them to svelte:element, you are safe...

Regular Expression Denial of Service (ReDoS)

Overview org.webjars.npm:svelte is a package for building web applications. Affected versions of this package are vulnerable to Regular Expression Denial of Service ReDoS through the svelte:element tag validation process. An attacker can cause significant performance degradation by supplying...

NPM: Svelte devalue: DoS via sparse array deserialization

NPM: Svelte devalue: DoS via sparse array deserialization vulnerability discovered by ? in WordPress Npm devalue versions = 5.6.3, = 5.8.0...

GHSA-77VG-94RM-HX3P Svelte devalue: DoS via sparse array deserialization

devalue.parse could, due to quirks in some JavaScript engines, be convinced to allocate much more memory than was needed when deserializing sparse arrays, leading to excessive memory consumption...

Svelte devalue: DoS via sparse array deserialization

devalue.parse could, due to quirks in some JavaScript engines, be convinced to allocate much more memory than was needed when deserializing sparse arrays, leading to excessive memory consumption...

GHSA-PR6F-5X2Q-RWFP Svelte SSR vulnerable to cross-site scripting via spread attributes

When using spread syntax to render attributes from untrusted data, event handler properties are included in the rendered HTML output. If an application spreads user-controlled or external data as element attributes, an attacker can inject malicious event handlers that execute in victims' browsers...

NPM: Svelte SSR vulnerable to cross-site scripting via spread attributes

NPM: Svelte SSR vulnerable to cross-site scripting via spread attributes vulnerability discovered by ? in WordPress Npm svelte versions = 5.55.6...

Cross-site Scripting (XSS)

Overview svelte is a package for building web applications. Affected versions of this package are vulnerable to Cross-site Scripting XSS in the rendering of attributes using spread syntax from untrusted data, which includes event handler properties in the HTML output. An attacker can execute...

Cross-site Scripting (XSS)

Overview org.webjars.npm:svelte is a package for building web applications. Affected versions of this package are vulnerable to Cross-site Scripting XSS in the rendering of attributes using spread syntax from untrusted data, which includes event handler properties in the HTML output. An attacker...

Svelte SSR vulnerable to cross-site scripting via spread attributes

When using spread syntax to render attributes from untrusted data, event handler properties are included in the rendered HTML output. If an application spreads user-controlled or external data as element attributes, an attacker can inject malicious event handlers that execute in victims' browsers...

Cross-site Scripting (XSS)

Overview open-webui is an Open WebUI Affected versions of this package are vulnerable to Cross-site Scripting XSS in the rendering of user-uploaded Office files as HTML using the Svelte @html directive without proper sanitization. An attacker can execute arbitrary JavaScript in the context of oth...

PT-2026-41134

Svelte was vulnerable to DOM clobbering of its internal framework state on elements, potentially leading to XSS attacks. You are vulnerable if all of the following is true: - you are using attribute spreading on a form element - you are using attribute spreading or allow a dynamic value for the...