CVE-2021-4305

A vulnerability was found in Woorank robots-txt-guard. It has been rated as problematic. Affected by this issue is the function makePathPattern of the file lib/patterns.js. The manipulation of the argument pattern leads to inefficient regular expression complexity. The exploit has been disclosed to the public and may be used. The name of the patch is c03827cd2f9933619c23894ce7c98401ea824020. It is recommended to apply a patch to fix this issue. The identifier of this vulnerability is VDB-217448.

• CWE-1333

• https://github.com/Woorank/robots-txt-guard/commit/c03827cd2f9933619c23894ce7c98401ea824020Patch, Third Party Advisory
• https://github.com/Woorank/robots-txt-guard/pull/4Patch, Third Party Advisory
• https://vuldb.com/?ctiid.217448Permissions Required, Third Party Advisory
• https://vuldb.com/?id.217448Third Party Advisory
• https://github.com/Woorank/robots-txt-guard/commit/c03827cd2f9933619c23894ce7c98401ea824020Patch, Third Party Advisory
• https://github.com/Woorank/robots-txt-guard/pull/4Patch, Third Party Advisory
• https://vuldb.com/?ctiid.217448Permissions Required, Third Party Advisory
• https://vuldb.com/?id.217448Third Party Advisory

Published

Jan 5, 2023

Last Modified

Jun 17, 2026

Status

Modified

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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