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GHSA-c58j-88f5-h53f

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') in pycares

5.6 MediumFix available

Impact

pycares versions < 4.2.0 are affected by CVE-2021-3672.

Patches

Update to version 4.2.0.

Attack profile

How easy it is to exploit

Attack vector
Network
Complexity
High
Privileges needed
None
User interaction
None

What an attacker can affect

Confidentiality
Low
Integrity
Low
Availability
Low

What each source reports

GitHub Advisories Score used5.6

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') in pycares

Impact

pycares versions < 4.2.0 are affected by CVE-2021-3672.

Patches

Update to version 4.2.0.

Record
GHSA-c58j-88f5-h53f
CVSS 3.1
5.6 MediumCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L
Weakness
CWE-79
Updated
2026-11-02
OSV5.6

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') in pycares

Impact

pycares versions < 4.2.0 are affected by CVE-2021-3672.

Patches

Update to version 4.2.0.

Record
GHSA-c58j-88f5-h53f
CVSS 3.1
5.6 MediumCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L
Weakness
CWE-79
Updated
2026-11-02

Affected packages

Affected packages
PackageAffectedFixed
pycares
PyPI
before 4.2.0
4.2.0
pycares
PyPI
before 4.2.0, plus listed versions
0.1.00.2.00.3.00.4.00.5.0
Show 27 moreShow less
0.6.00.6.10.6.20.6.30.7.01.0.02.0.02.0.12.1.02.1.12.2.02.3.02.4.03.0.03.0.0b03.0.0b13.0.0b23.0.0b33.0.0b43.0.0b53.1.03.1.13.2.03.2.34.0.04.1.14.1.2
4.2.0

History

History
RecordedChangedSources
first indexedGitHub Advisories, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

GHSA-c58j-88f5-h53f is a medium vulnerability (CVSS 5.6) in pycares, published July 5, 2022. No source lists public exploit code. Fixed in pycares 4.2.0.

References

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