CVE-2021-46872 - CVE House
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Status published Unknown CVE-2021-46872

An issue was discovered in Nim before 1.6.2. The RST...

Vulnerability Description

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.)

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

No credits recorded in the NVD database.

References

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CVE-2021-21374
Nimble fails to validate certificates due to insecure httpClient defaults
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CVE-2021-21373
Nimble falls back to insecure http url when fetching packages
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CVE-2021-21372
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High 8.3

Affected Vendor

Affected Software

nim, nimforum
Vulnerable Versions:
0

Timeline

Official Publish: January 13th, 2023
Last Modified: April 7th, 2025
Added to House: July 21st, 2026

CVSS Vectors

No vector data available

Weaknesses (CWE)

No CWE data available

MITRE ATT&CK TTPs

No associated TTPs found for this vulnerability.