bPlugins B Blocks Plugin up to 2.0.31 on WordPress privileges assignment

Summaryinfo

A vulnerability, which was classified as critical, has been found in bPlugins B Blocks Plugin up to 2.0.31 on WordPress. Impacted is an unknown function. The manipulation leads to privileges assignment. This vulnerability is uniquely identified as CVE-2026-39579. The attack is possible to be carried out remotely. No exploit exists.

Detailsinfo

A vulnerability was found in bPlugins B Blocks Plugin up to 2.0.31 on WordPress and classified as critical. This issue affects an unknown functionality. The manipulation with an unknown input leads to a privileges assignment vulnerability. Using CWE to declare the problem leads to CWE-266. A product incorrectly assigns a privilege to a particular actor, creating an unintended sphere of control for that actor. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

Contributor Privilege Escalation in B Blocks <= 2.0.31 versions.

The weakness was disclosed by Abu Hurayra. The advisory is shared at patchstack.com. The identification of this vulnerability is CVE-2026-39579 since 04/07/2026. The exploitation is known to be easy. The attack may be initiated remotely. Neither technical details nor an exploit are publicly available. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 06/16/2026). MITRE ATT&CK project uses the attack technique T1068 for this issue.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Type

• WordPress Plugin

Vendor

• bPlugins

Name

• B Blocks Plugin

Version

• 2.0.0
• 2.0.1
• 2.0.2
• 2.0.3
• 2.0.4
• 2.0.5
• 2.0.6
• 2.0.7
• 2.0.8
• 2.0.9
• 2.0.10
• 2.0.11
• 2.0.12
• 2.0.13
• 2.0.14
• 2.0.15
• 2.0.16
• 2.0.17
• 2.0.18
• 2.0.19
• 2.0.20
• 2.0.21
• 2.0.22
• 2.0.23
• 2.0.24
• 2.0.25
• 2.0.26
• 2.0.27
• 2.0.28
• 2.0.29
• 2.0.30
• 2.0.31

CPE 2.3info

• 🔒
• 🔒
• 🔒

CPE 2.2info

• 🔒
• 🔒
• 🔒

CVSSv4info

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Entryinfo

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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