WebPros Plesk up to 18.0.78.4 XML-RPC API sql injection

CVSS Meta Temp Score
CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.
Current Exploit Price (≈)
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CTI Interest Score
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6.0$0-$5k0.89

Summaryinfo

A vulnerability classified as critical was found in WebPros Plesk. The impacted element is an unknown function of the component XML-RPC API. Executing a manipulation can lead to sql injection. This vulnerability is tracked as CVE-2026-58046. The attack can be launched remotely. No exploit exists.

Detailsinfo

A vulnerability was found in WebPros Plesk. It has been declared as critical. This vulnerability affects an unknown function of the component XML-RPC API. The manipulation with an unknown input leads to a sql injection vulnerability. The CWE definition for the vulnerability is CWE-89. The product constructs all or part of an SQL command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended SQL command when it is sent to a downstream component. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

Improper neutralization in the Plesk XML-RPC API allows a remote authenticated low-privileged user to perform SQL injection and read arbitrary data from the Plesk database, leading to full compromise of the panel.

The advisory is available at support.plesk.com. This vulnerability was named CVE-2026-58046 since 06/27/2026. The exploitation appears to be easy. The attack can be initiated remotely. The technical details are unknown and an exploit is not available. This vulnerability is assigned to T1505 by the MITRE ATT&CK project.

Upgrading to version 18.0.79.4 eliminates this vulnerability.

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Productinfo

Type

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.3
VulDB Meta Temp Score: 6.0

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Sql injection
CWE: CWE-89 / CWE-74 / CWE-707
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined
Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: Plesk 18.0.79.4

Timelineinfo

06/27/2026 CVE reserved
07/30/2026 +33 days Advisory disclosed
07/30/2026 +0 days VulDB entry created
07/30/2026 +0 days VulDB entry last update

Sourcesinfo

Advisory: support.plesk.com
Status: Confirmed

CVE: CVE-2026-58046 (🔒)
GCVE (CVE): GCVE-0-2026-58046
GCVE (VulDB): GCVE-100-384622

Entryinfo

Created: 07/30/2026 09:24
Changes: 07/30/2026 09:24 (55)
Complete: 🔍
Cache ID: 216::103

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