edge22 GenerateBlocks Plugin up to 2.2.0 on WordPress REST Endpoint dynamic-tag-replacements ID authorization

Summaryinfo

A vulnerability classified as problematic has been found in edge22 GenerateBlocks Plugin up to 2.2.0 on WordPress. The impacted element is an unknown function of the file /wp-json/generateblocks/v1/dynamic-tag-replacements of the component REST Endpoint. The manipulation of the argument ID leads to authorization. This vulnerability is referenced as CVE-2026-3454. Remote exploitation of the attack is possible. No exploit is available.

Detailsinfo

A vulnerability was found in edge22 GenerateBlocks Plugin up to 2.2.0 on WordPress. It has been rated as problematic. This issue affects some unknown processing of the file /wp-json/generateblocks/v1/dynamic-tag-replacements of the component REST Endpoint. The manipulation of the argument id with an unknown input leads to a authorization vulnerability. Using CWE to declare the problem leads to CWE-639. The system's authorization functionality does not prevent one user from gaining access to another user's data or record by modifying the key value identifying the data. Impacted is confidentiality. The summary by CVE is:

The GenerateBlocks plugin for WordPress is vulnerable to Insecure Direct Object Reference in all versions up to, and including, 2.2.0. This is due to missing object-level authorization checks in the /wp-json/generateblocks/v1/dynamic-tag-replacements REST endpoint. The endpoint only verifies that the user has the edit_posts capability but does not verify the user has permission to access the specific post or its associated data referenced by attacker-controlled id parameters in dynamic tag content. This makes it possible for authenticated attackers, with Contributor-level access and above, to extract sensitive information from arbitrary posts including author email addresses and non-protected post meta values by crafting dynamic tag payloads such as {{post_meta id:|key:}} and {{post_title id:|link:author_email}}.

The weakness was published by Supanat Konprom. It is possible to read the advisory at wordfence.com. The identification of this vulnerability is CVE-2026-3454 since 03/02/2026. The exploitation is known to be easy. The attack may be initiated remotely. Technical details of the vulnerability are known, but there is no available exploit. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 05/05/2026).

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

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2026-27225). Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Type

• WordPress Plugin

Vendor

• edge22

Name

• GenerateBlocks Plugin

Version

• 2.0
• 2.1
• 2.2.0

CPE 2.3info

• 🔒
• 🔒
• 🔒

CPE 2.2info

• 🔒
• 🔒
• 🔒

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Entryinfo

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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