Buttercup allows attackers to obtain the hash of the master password

Description

Buttercup allows attackers to obtain the hash of the master password for the password manager via accessing the file /vaults.json/.

This affects the Buttercup app up to version 2.20.3.

Recommendation

Update the buttercup package to the latest compatible version. Followings are version details:

• Affected version(s): >= 2.20.3, < 7.4.0
• Patched version(s): 7.4.0

References

• GHSA-7cwq-p8cr-h9qg
• buttercup.pw
• CVE-2023-41646
• CWE-916
• CAPEC-310
• OWASP 2021-A2
• OWASP 2021-A6

Related Issues

• html inputs of type password recorded in plaintext when converted to text inputs - CVE-2023-33187
• Firebase JavaScript SDK allows attackers to manipulate the "_authTokenSyncURL" to point to their own server - CVE-2024-11023
• evershop allows unauthenticated attackers to exhaust application server's resources via "GET /images" API - CVE-2025-67419
• evershop allows unauthenticated attackers to force server to initiate HTTP request via "GET /images" API - CVE-2025-67427

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Tags:

npm

buttercup