CVE-2023-5840 — Weak Password Recovery Mechanism for Forgotten Password in GitHub repository lin

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

01What is this vulnerability?

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

02Affected products

Vendor	Product	Versions
linkstackorg	linkstackorg/linkstack	unspecified

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

• Patch to a fixed version listed in the vendor advisory (see references below).
• Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
• Hunt historical logs for exploitation indicators — see Detection signatures below.

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.

07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

• Published: 2023-10-29T00:00:20.031Z
• Last modified: 2024-09-06T19:33:23.795Z

09References

• huntr.com — https://huntr.com/bounties/8042d8c3-650e-4c0d-9146-d9ccf6082b30
• github.com — https://github.com/linkstackorg/linkstack/commit/fe7b99eae88f9e4c4cd4b00bab372cb…