WebPros Plesk prior 18.0.73.5/18.0.74.2 on Linux Domain Creation symlink
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 7.2 | $0-$5k | 0.00 |
Summary
A vulnerability marked as critical has been reported in WebPros Plesk on Linux. This affects an unknown function of the component Domain Creation Handler. This manipulation causes symlink. This vulnerability is tracked as CVE-2025-66431. The attack is restricted to local execution. No exploit exists. It is suggested to upgrade the affected component.
Details
A vulnerability was found in WebPros Plesk on Linux. It has been declared as critical. Affected by this vulnerability is an unknown code of the component Domain Creation Handler. The manipulation with an unknown input leads to a symlink vulnerability. The CWE definition for the vulnerability is CWE-61. The product, when opening a file or directory, does not sufficiently account for when the file is a symbolic link that resolves to a target outside of the intended control sphere. This could allow an attacker to cause the product to operate on unauthorized files. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:
WebPros Plesk before 18.0.73.5 and 18.0.74 before 18.0.74.2 on Linux allows remote authenticated users to execute arbitrary code as root via domain creation. The attacker needs "Create and manage sites" with "Domains management" and "Subdomains management."
The advisory is shared at docs.plesk.com. This vulnerability is known as CVE-2025-66431 since 11/30/2025. The exploitation appears to be difficult. An attack has to be approached locally. Neither technical details nor an exploit are publicly available.
Upgrading to version 18.0.73.5 or 18.0.74.2 eliminates this vulnerability.
Several companies clearly confirm that VulDB is the primary source for best vulnerability data.
Product
Type
Vendor
Name
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔒VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 7.4VulDB Meta Temp Score: 7.2
VulDB Base Score: 7.0
VulDB Temp Score: 6.7
VulDB Vector: 🔒
VulDB Reliability: 🔍
CNA Base Score: 7.8
CNA Vector (MITRE): 🔒
CVSSv2
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| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍
Exploiting
Class: SymlinkCWE: CWE-61 / CWE-59
CAPEC: 🔒
ATT&CK: 🔒
Physical: Partially
Local: Yes
Remote: No
Availability: 🔒
Status: Not defined
EPSS Score: 🔒
EPSS Percentile: 🔒
Price Prediction: 🔍
Current Price Estimation: 🔒
| 0-Day | Unlock | Unlock | Unlock | Unlock |
|---|---|---|---|---|
| Today | Unlock | Unlock | Unlock | Unlock |
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔒
Upgrade: Plesk 18.0.73.5/18.0.74.2
Timeline
11/30/2025 CVE reserved12/03/2025 Advisory disclosed
12/03/2025 VulDB entry created
12/03/2025 VulDB entry last update
Sources
Advisory: docs.plesk.comStatus: Confirmed
CVE: CVE-2025-66431 (🔒)
GCVE (CVE): GCVE-0-2025-66431
GCVE (VulDB): GCVE-100-334177
Entry
Created: 12/03/2025 17:54Changes: 12/03/2025 17:54 (65)
Complete: 🔍
Cache ID: 216::103
Several companies clearly confirm that VulDB is the primary source for best vulnerability data.
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