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TI-2023-05376 Aliases CVE-2023-5840GHSA-cxh2-hxrp-wmgx

Weak Password Recovery Mechanism for Forgotten Password in linkstackorg/linkstack

Priority HIGH 71CWE-640Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
Required
Attack complexity
Low
Impact type
Security bypass
Confidentiality · integrity · availability
High · High · High
Fix status
Fixed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-640.

Summary

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

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00783 56th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix Fixed linkstackorg/linkstack (linkstackorg): v4.2.9

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
LinkStackOrglinkstackorg/linkstackbefore v4.2.9v4.2.9Patch availableCNA
  • linkstackorg/linkstack VendorLinkStackOrg Affected before v4.2.9 Fixed in v4.2.9 Patch available CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:linkstack:linkstack:*:*:*:*:*:*:*:*before 4.2.9VulnerableLinkstack
  • cpe:2.3:a:linkstack:linkstack:*:*:*:*:*:*:*:* Versions before 4.2.9 Vulnerable ·Linkstack

Remediation

  • Fix · CNA linkstackorg/linkstack (linkstackorg) Fixed in v4.2.9

Fixed in the same release

Records fixed by the same vendor advisory or release, as the CNA lists them.

  • Release ·

    linkstackorg/linkstack v4.2.9

    2 records Highest priority Priority HIGH 2 HIGH

    Other records, highest priority first

    • TI-2023-05374 Insufficient Session Expiration in linkstackorg/linkstackPriority HIGH 75
    Show all 2 records →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2023-5840
  2. 2026-10-03 Alias added: GHSA-cxh2-hxrp-wmgx

References

Exploit 1

Patch 1

  • TI-2026-06592 LinkStackOrg LinkStack Management Endpoint UserController.php saveLink authorization CVSS 4.0MEDIUM 5.3
  • TI-2026-06591 LinkStackOrg LinkStack UserController.php editPage cross site scripting CVSS 4.0MEDIUM 5.1
  • TI-2026-80135 Cross-site request forgery in LinkStackOrg LinkStack CVSS 4.0MEDIUM 5.3

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences