CVE-2025-65518

Summary

Plesk Obsidian versions 8.0.1 through 18.0.73 are vulnerable to a Denial of Service (DoS) condition. The vulnerability exists in the get_password.php endpoint, where a crafted request containing a malicious payload can cause the affected web interface to continuously reload, rendering the service unavailable to legitimate users. An attacker can exploit this issue remotely without authentication, resulting in a persistent availability impact on the affected Plesk Obsidian instance.

Affected Software

Weaknesses

• n/a

ADP Enrichment

CISA ADP Vulnrichment

• SSVC:
• Exploitation: poc
  • Automatable: yes
  • Technical Impact: partial

plesk: Plesk Obsidian: Denial of Service via crafted request to get_password.php

Additional References

• https://access.redhat.com/security/cve/CVE-2025-65518
• https://bugzilla.redhat.com/show_bug.cgi?id=2428098
• https://security.access.redhat.com/data/csaf/v2/vex/2025/cve-2025-65518.json

References

• https://github.com/Jainil-89/CVE-2025-65518/blob/main/cve.md
• https://docs.plesk.com/release-notes/obsidian/change-log/

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