What’s Vulnerable › Vulnerabilities

CVE-2023-5840: Weak Password Recovery Mechanism for Forgotten Password in linkstackorg/linkstack

• Severity: high (CVSS 8.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.7% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2023-10-29 · updated 2026-06-17
• Weakness: CWE-640

Description

Weak Password Recovery Mechanism for Forgotten Password in GitHub repository linkstackorg/linkstack prior to v4.2.9.

Affected products

• LinkStackOrg LinkStack: before 4.2.9 — fixed in 4.2.9

How to fix

Upgrade to a fixed version: LinkStackOrg LinkStack 4.2.9. Check the vendor advisory for mitigations.

References

• https://github.com/linkstackorg/linkstack/commit/fe7b99eae88f9e4c4cd4b00bab372cbf4b584b16
• https://huntr.com/bounties/8042d8c3-650e-4c0d-9146-d9ccf6082b30
• https://github.com/linkstackorg/linkstack/commit/fe7b99eae88f9e4c4cd4b00bab372cbf4b584b16
• https://huntr.com/bounties/8042d8c3-650e-4c0d-9146-d9ccf6082b30

Get alerted when CVE-2023-5840 or the next vulnerability affects your stack