XSS Vulnerability in Nim Language RST Module Affecting NimForum and Other Products
CVE-2021-46872

6.1MEDIUM

Key Information:

Vendor
Nim-lang
Status
Nimforum
Nim
Vendor
CVE Published:
13 January 2023

Summary

An issue was discovered in Nim before version 1.6.2 where the RST module in the standard library allows the use of the javascript: URI scheme. This vulnerability can potentially lead to Cross-Site Scripting (XSS) in applications that utilize this module, exposing them to various security risks. Users are encouraged to update to Nim version 1.6.2 or later, which address the issue, and to check if there are backports of this fix available for earlier versions.

References

https://github.com/nim-lang/nimforum
https://forum.nim-lang.org/t/8852
https://github.com/nim-lang/Nim/pull/19134

CVSS V3.1

Score:
6.1
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
Required
Scope:
Changed

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.