hwk-fr Advanced Custom Fields Extended Plugin up to 0.9.2.7 on WordPress Shortcode get_user save.name information disclosure

Summaryinfo

A vulnerability classified as problematic has been found in hwk-fr Advanced Custom Fields Extended Plugin up to 0.9.2.7. Affected by this vulnerability is the function get_user of the component Shortcode Handler. This manipulation of the argument save.name causes information disclosure. This vulnerability appears as CVE-2026-110305. The attack may be initiated remotely. There is no available exploit.

Detailsinfo

A vulnerability was found in hwk-fr Advanced Custom Fields Extended Plugin up to 0.9.2.7. It has been declared as problematic. Affected by this vulnerability is the function get_user of the component Shortcode Handler. The manipulation of the argument save.name with an unknown input leads to a information disclosure vulnerability. The CWE definition for the vulnerability is CWE-200. The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. As an impact it is known to affect confidentiality. The summary by CVE is:

The Advanced Custom Fields: Extended plugin for WordPress is vulnerable to Sensitive Information Exposure in all versions up to, and including, 0.9.2.7 via the process. This makes it possible for unauthenticated attackers to extract sensitive data including the WordPress password hash of any user by injecting a {get_user} template tag that is resolved and written as a publicly readable term name. Exploitation requires that an administrator has configured a public [acfe_form] shortcode page with a Term action using a save.name field mapping — a supported and documented configuration.

The advisory is shared at wordfence.com. This vulnerability is known as CVE-2026-110305 since 10/13/2026. The exploitation appears to be easy. The attack can be launched remotely. Additional levels of successful authentication are necessary for exploitation. Technical details are known, but no exploit is available. MITRE ATT&CK project uses the attack technique T1592 for this issue.

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

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Type

• WordPress Plugin

Vendor

• hwk-fr

Name

• Advanced Custom Fields Extended Plugin

Version

• 0.9.2.0
• 0.9.2.1
• 0.9.2.2
• 0.9.2.3
• 0.9.2.4
• 0.9.2.5
• 0.9.2.6
• 0.9.2.7

CPE 2.3info

• 🔒
• 🔒
• 🔒

CPE 2.2info

• 🔒
• 🔒
• 🔒

CVSSv4info

CVSSv3info

CVSSv2info

Exploitinginfo

Threat Intelligenceinfo

Countermeasuresinfo

Timelineinfo

Sourcesinfo

Entryinfo

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Discussion