CVE-2021-27516

HIGH

uri.js < 1.19.6 - URL Parsing Flaw via Backslash Handling

Title source: llm
STIX 2.1

Description

URI.js (aka urijs) before 1.19.6 mishandles certain uses of backslash such as http:\/ and interprets the URI as a relative path.

References (3)

Core 3
Core References
Third Party Advisory x_refsource_misc
https://github.com/medialize/URI.js/releases/tag/v1.19.6
Exploit, Third Party Advisory x_refsource_misc
https://advisory.checkmarx.net/advisory/CX-2021-4305

Scores

CVSS v3 7.5
EPSS 0.0248
EPSS Percentile 82.8%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Details

Status published
Products (2)
npm/urijs 0 - 1.19.6npm
uri.js_project/uri.js < 1.19.6
Published Feb 22, 2021
Tracked Since Feb 18, 2026