CVE-2025-65518

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

Published Jan 8, 2026 CVSS 3.1 · 7.5 High EPSS < 1% KEV · Not listed
Description
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
First Time appeared Webpros
Webpros plesk Obsidian
CPEs cpe:2.3:a:webpros:plesk_obsidian:*:*:*:*:*:*:*:*
Vendors & Products Webpros
Webpros plesk Obsidian
Type Values Removed Values Added
Title plesk: Plesk Obsidian: Denial of Service via crafted request to get_password.php
Weaknesses CWE-606
References
Metrics threat_severity

None

threat_severity

Important

Type Values Removed Values Added
First Time appeared Plesk
Plesk obsidian
Vendors & Products Plesk
Plesk obsidian
Type Values Removed Values Added
Weaknesses CWE-400
Metrics cvssV3_1

{'score': 7.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H'}

ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description 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.
References
Weaknesses

Sources

Status
PUBLISHED
Assigner
mitre
Published
Updated
Jul 15, 2026, 1:25 AM
Reserved
Nov 18, 2025, 12:00 AM
Status
Modified
Published
Jan 8, 2026, 7:15 PM
Modified
Nov 4, 2026, 10:10 PM
Severity
Important
Public date
Jan 8, 2026, 12:00 AM