WPWebinarSystem WebinarPress Plugin up to 1.33.27 on WordPress server-side request forgery

Summaryinfo

A vulnerability described as critical has been identified in WPWebinarSystem WebinarPress Plugin up to 1.33.27 on WordPress. The impacted element is an unknown function. Such manipulation leads to server-side request forgery. This vulnerability is documented as CVE-2025-47635. The attack can be executed remotely. There is not any exploit available.

Detailsinfo

A vulnerability was found in WPWebinarSystem WebinarPress Plugin up to 1.33.27 on WordPress and classified as critical. Affected by this issue is an unknown code block. The manipulation with an unknown input leads to a server-side request forgery vulnerability. Using CWE to declare the problem leads to CWE-918. The web server receives a URL or similar request from an upstream component and retrieves the contents of this URL, but it does not sufficiently ensure that the request is being sent to the expected destination. Impacted is confidentiality, integrity, and availability. CVE summarizes:

Server-Side Request Forgery (SSRF) vulnerability in WPWebinarSystem WebinarPress allows Server Side Request Forgery. This issue affects WebinarPress: from n/a through 1.33.27.

The weakness was released by Trương Hữu Phúc. The advisory is available at patchstack.com. This vulnerability is handled as CVE-2025-47635 since 05/07/2025. The exploitation is known to be easy. The attack may be launched remotely. The exploitation needs additional levels of successful authentication. The technical details are unknown and an exploit is not available. The structure of the vulnerability defines a possible price range of USD $0-$5k at the moment (estimation calculated on 05/07/2025).

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

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Productinfo

Type

• WordPress Plugin

Vendor

• WPWebinarSystem

Name

• WebinarPress Plugin

Version

• 1.33.0
• 1.33.1
• 1.33.2
• 1.33.3
• 1.33.4
• 1.33.5
• 1.33.6
• 1.33.7
• 1.33.8
• 1.33.9
• 1.33.10
• 1.33.11
• 1.33.12
• 1.33.13
• 1.33.14
• 1.33.15
• 1.33.16
• 1.33.17
• 1.33.18
• 1.33.19
• 1.33.20
• 1.33.21
• 1.33.22
• 1.33.23
• 1.33.24
• 1.33.25
• 1.33.26
• 1.33.27

CPE 2.3info

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CPE 2.2info

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