CVE-2023-5840 json
Weak Password Recovery Mechanism for Forgotten Password in linkstackorg/linkstack
published 2023-10-29 3 y ago modified 2026-06-17 4 mo ago also EUVD-2023-58122
- cvss
- 6.5
- version 3.0, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.8%
- EPSS 0.8% chance of exploitation in 30 days, percentile 56%
- public exploits
- 0
- none known
Summary
Weak Password Recovery Mechanism for Forgotten Password in GitHub repository linkstackorg/linkstack prior to v4.2.9.
Patch / fix
- linkstackorg linkstackorg/linkstack v4.2.9
- linkstack linkstack 4.2.9
CISA SSVC
- Exploitation
- Proof of concept is public
- Automatable
- no
- Technical impact
- partial
- Assessed
- 2 y ago
Exploit prediction
0.78% chance of exploitation in the next 30 days, higher than 56% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- huntr.com https://huntr.com/bounties/8042d8c3-650e-4c0d-9146-d9ccf6082b30 referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.0 | 6.5 | CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N |
| NVD | 3.1 | 8.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
Affected products
- linkstackorg linkstackorg/linkstack
- linkstack linkstack
Classification
- Weakness
-
- CWE-640 Weak Password Recovery Mechanism for Forgotten Password
References
-
github.com
/linkstackorg/linkstack/commit/fe7b99eae88f9e4c4cd4b00bab372cbf4b584b16
patch
-
huntr.com
/bounties/8042d8c3-650e-4c0d-9146-d9ccf6082b30
exploit, patch, third-party-advisory
Sources
- CVE List CVE-2023-5840
- NVD CVE-2023-5840
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.