yog2515 General Options Plugin up to 1.1.0 on WordPress HTML Parser sanitize_text_field HTML injection

Summaryinfo

A vulnerability was found in yog2515 General Options Plugin up to 1.1.0 on WordPress and classified as problematic. This vulnerability affects the function sanitize_text_field of the component HTML Parser. Executing a manipulation can lead to HTML injection. The identification of this vulnerability is CVE-2026-6399. The attack may be launched remotely. There is no exploit available. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability has been found in yog2515 General Options Plugin up to 1.1.0 on WordPress and classified as problematic. This vulnerability affects the function sanitize_text_field of the component HTML Parser. The manipulation with an unknown input leads to a html injection vulnerability. The CWE definition for the vulnerability is CWE-79. The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users. As an impact it is known to affect integrity. CVE summarizes:

The General Options plugin for WordPress is vulnerable to Stored Cross-Site Scripting in versions up to and including 1.1.0. This is due to the use of sanitize_text_field() for output escaping in the Contact Number (ad_contact_number) field — a function that strips HTML tags but does not encode double-quote characters to their HTML entity equivalent ("). When the stored value is echoed inside a double-quoted HTML attribute (value="..."), an attacker-supplied double-quote character breaks out of the attribute context. Even with WordPress's wp_magic_quotes mechanism (which prefixes quotes with a backslash), the resulting \" sequence is NOT treated as an escaped quote by HTML parsers — the backslash is rendered as a literal character and the bare double-quote still closes the attribute. This makes it possible for authenticated attackers with Administrator-level access and above to inject arbitrary web scripts in the admin settings page that will execute whenever any administrator visits the General Options settings page.

The weakness was shared by Muhammad Nur Ibnu Hubab. The advisory is available at wordfence.com. This vulnerability was named CVE-2026-6399 since 04/15/2026. The exploitation appears to be easy. The attack can be initiated remotely. Additional levels of successful authentication are needed for exploitation. Successful exploitation requires user interaction by the victim. Technical details are known, but there is no available exploit. This vulnerability is assigned to T1059.007 by the MITRE ATT&CK project.

Upgrading to version 1.1.0 eliminates this vulnerability.

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Productinfo

Type

• WordPress Plugin

Vendor

• yog2515

Name

• General Options Plugin

Version

• 1.0
• 1.1.0

CPE 2.3info

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CPE 2.2info

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