Related Vulnerabilities: CVE-2021-33038  

An issue was discovered in management/commands/hyperkitty_import.py in HyperKitty through 1.3.4. When importing a private mailing list's archives, these archives are publicly visible for the duration of the import. For example, sensitive information might be available on the web for an hour during a large migration from Mailman 2 to Mailman 3.

Severity Medium

Remote Yes

Type Information disclosure

Description

An issue was discovered in management/commands/hyperkitty_import.py in HyperKitty through 1.3.4. When importing a private mailing list's archives, these archives are publicly visible for the duration of the import. For example, sensitive information might be available on the web for an hour during a large migration from Mailman 2 to Mailman 3.

AVG-2003 hyperkitty 1.3.4-1 Medium Vulnerable

https://gitlab.com/mailman/hyperkitty/-/issues/380
https://gitlab.com/mailman/hyperkitty/-/merge_requests/351
https://gitlab.com/mailman/hyperkitty/-/commit/9025324597d60b2dff740e49b70b15589d6804fa