CVE-2021-46872

An issue was discovered in Nim before 1.6.2. The RST module of the Nim language stdlib, as used in NimForum and other products, permits the javascript: URI scheme and thus can lead to XSS in some applications. (Nim versions 1.6.2 and later are fixed; there may be backports of the fix to some earlier versions. NimForum 2.2.0 is fixed.)

• CWE-79
• CWE-79

• https://forum.nim-lang.org/t/8852Issue Tracking, Vendor Advisory
• https://github.com/nim-lang/Nim/commit/46275126b89218e64844eee169e8ced05dd0e2d7Patch, Third Party Advisory
• https://github.com/nim-lang/Nim/compare/v1.6.0...v1.6.2Third Party Advisory
• https://github.com/nim-lang/Nim/pull/19134Patch, Third Party Advisory
• https://github.com/nim-lang/nimforumThird Party Advisory
• https://forum.nim-lang.org/t/8852Issue Tracking, Vendor Advisory
• https://github.com/nim-lang/Nim/commit/46275126b89218e64844eee169e8ced05dd0e2d7Patch, Third Party Advisory
• https://github.com/nim-lang/Nim/compare/v1.6.0...v1.6.2Third Party Advisory
• https://github.com/nim-lang/Nim/pull/19134Patch, Third Party Advisory
• https://github.com/nim-lang/nimforumThird Party Advisory

Published

Jan 13, 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.
• Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
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