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Medium 5.3
brace-expansion: Quadratic-time expansion of the `{a},b}` rewrite causes CPU denial of service
The brace-expansion library generates arbitrary strings containing a common prefix and suffix. Prior to 1.1.21, 2.1.7, 3.0.9, and 5.0.12, the expand function handles untrusted {a},b}-shaped patterns with many trailing closing braces by restarting its scan onc…
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Medium 5.9
http-cache-semantics through 4.2.0 Cross-Client Cache Disclosure via Vary Wildcard
http-cache-semantics through 4.2.0 contains a cache validation vulnerability in the _varyMatches() function that fails to properly validate Vary header wildcards due to byte-for-byte string comparison. Attackers can request URLs previously fetched by other cl…
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Medium 5.3
qs.stringify throws TypeError on objects with a non-callable constructor.isBuffer property
### Summary `qs.stringify` throws a `TypeError` when it serializes an object whose own `constructor` property has a truthy, non-callable `isBuffer` member. `utils.isBuffer` duck-types buffers by calling `obj.constructor.isBuffer(obj)` after checking only that…
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Medium 5.3
qs.stringify crashes on null/undefined entries in comma-format arrays under encodeValuesOnly
### Summary `qs.stringify` throws `TypeError` when called with `arrayFormat: 'comma'` and `encodeValuesOnly: true` on an array containing `null` or `undefined`. The throw is synchronous and not handled by any of qs's null-related options (`skipNulls`, `strict…
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Medium 6.5
brace-expansion: Zero-step sequence causes process hang and memory exhaustion
The brace-expansion library generates arbitrary strings containing a common prefix and suffix. Prior to versions 5.0.5, 3.0.2, 2.0.3, and 1.1.13, a brace pattern with a zero step value (e.g., `{1..2..0}`) causes the sequence generation loop to run indefinitel…
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Medium 5.3
Picomatch: Method Injection in POSIX Character Classes causes incorrect Glob Matching
Picomatch is a glob matcher written JavaScript. Versions prior to 4.0.4, 3.0.2, and 2.3.2 are vulnerable to a method injection vulnerability affecting the `POSIX_REGEX_SOURCE` object. Because the object inherits from `Object.prototype`, specially crafted POSI…
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Medium 6.9
cookie accepts cookie name, path, and domain with out of bounds characters
cookie is a basic HTTP cookie parser and serializer for HTTP servers. The cookie name could be used to set other fields of the cookie, resulting in an unexpected cookie value. A similar escape can be used for path and domain, which could be abused to alter ot…
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Medium 5.0
serve-static affected by template injection that can lead to XSS
serve-static serves static files. serve-static passes untrusted user input - even after sanitizing it - to redirect() may execute untrusted code. This issue is patched in serve-static 1.16.0.
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Medium 5.0
send vulnerable to template injection that can lead to XSS
Send is a library for streaming files from the file system as a http response. Send passes untrusted user input to SendStream.redirect() which executes untrusted code. This issue is patched in send 0.19.0.
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Medium 5.0
express vulnerable to XSS via response.redirect()
Express.js minimalist web framework for node. In express < 4.20.0, passing untrusted user input - even after sanitizing it - to response.redirect() may execute untrusted code. This issue is patched in express 4.20.0.
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Medium 6.1
Express.js Open Redirect in malformed URLs
Express.js minimalist web framework for node. Versions of Express.js prior to 4.19.0 and all pre-release alpha and beta versions of 5.0 are affected by an open redirect vulnerability using malformed URLs. When a user of Express performs a redirect using a use…
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Medium 5.3
semver vulnerable to Regular Expression Denial of Service
Versions of the package semver before 7.5.2 are vulnerable to Regular Expression Denial of Service (ReDoS) via the function new Range, when untrusted user data is provided as a range.
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Medium 5.3
http-cache-semantics vulnerable to Regular Expression Denial of Service
This affects versions of the package http-cache-semantics before 4.1.1. The issue can be exploited via malicious request header values sent to a server, when that server reads the cache policy from the request using this library.
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Medium 4.3
vercel ms index.js parse redos
A vulnerability, which was classified as problematic, has been found in vercel ms up to 1.x. This issue affects the function parse of the file index.js. The manipulation of the argument str leads to inefficient regular expression complexity. The attack may be…
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Medium 5.3
Regular Expression Denial of Service (ReDoS)
This affects the package glob-parent before 5.1.2. The enclosure regex used to check for strings ending in enclosure containing path separator.
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Medium 5.6CVE-2020-7598 Public exploit
Prototype Pollution in minimist
minimist before 1.2.2 could be tricked into adding or modifying properties of Object.prototype using a "constructor" or "__proto__" payload.
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Medium 6.3
Prototype Pollution in undefsafe
undefsafe before 2.0.3 is vulnerable to Prototype Pollution. The 'a' function could be tricked into adding or modifying properties of Object.prototype using a __proto__ payload.
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Medium 4.4
cookie-signature Timing Attack
Node-cookie-signature before 1.0.6 is affected by a timing attack due to the type of comparison used.
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Medium 5.3
Root Path Disclosure in send
The send package before 0.11.1 for Node.js allows attackers to obtain the root path via unspecified vectors.