Schema & Structured Data for WP & AMP Plugin up to 1.49 on WordPress HTML Tag Attribute HTML injection

Summaryinfo

A vulnerability labeled as problematic has been found in Schema & Structured Data for WP & AMP Plugin up to 1.49 on WordPress. This issue affects some unknown processing of the component HTML Tag Attribute Handler. Such manipulation leads to HTML injection. This vulnerability is uniquely identified as CVE-2025-9512. The attack can be launched remotely. No exploit exists. The affected component should be upgraded.

Detailsinfo

A vulnerability was found in Schema & Structured Data for WP & AMP Plugin up to 1.49 on WordPress and classified as problematic. Affected by this issue is an unknown part of the component HTML Tag Attribute Handler. The manipulation with an unknown input leads to a html injection vulnerability. Using CWE to declare the problem leads to 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. Impacted is integrity. CVE summarizes:

The Schema & Structured Data for WP & AMP WordPress plugin before 1.50 does not properly handles HTML tag attribute modifications, making it possible for unauthenticated attackers to conduct Stored XSS attacks via post comments.

The weakness was disclosed by Matthew Rollings. The advisory is available at wpscan.com. This vulnerability is handled as CVE-2025-9512 since 08/26/2025. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for exploitation. Successful exploitation requires user interaction by the victim. The technical details are unknown and an exploit is not available. This vulnerability is assigned to T1059.007 by the MITRE ATT&CK project.

Upgrading to version 1.50 eliminates this vulnerability.

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Productinfo

Type

• WordPress Plugin

Name

• Schema & Structured Data for WP & AMP Plugin

Version

• 1.0
• 1.1
• 1.2
• 1.3
• 1.4
• 1.5
• 1.6
• 1.7
• 1.8
• 1.9
• 1.10
• 1.11
• 1.12
• 1.13
• 1.14
• 1.15
• 1.16
• 1.17
• 1.18
• 1.19
• 1.20
• 1.21
• 1.22
• 1.23
• 1.24
• 1.25
• 1.26
• 1.27
• 1.28
• 1.29
• 1.30
• 1.31
• 1.32
• 1.33
• 1.34
• 1.35
• 1.36
• 1.37
• 1.38
• 1.39
• 1.40
• 1.41
• 1.42
• 1.43
• 1.44
• 1.45
• 1.46
• 1.47
• 1.48
• 1.49

CPE 2.3info

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CPE 2.2info

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