The Webmention plugin for WordPress is vulnerable to Server-Side Request Forgery in all versions up to, and including, 5.6.2 in the 'MF2::parse_authorpage' function via the 'Receiver::post' function. This makes it possible for unauthenticated attackers to make web requests to arbitrary locations originating from the web application and can be used to query and modify information from internal services.
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Thu, 02 Apr 2026 20:30:00 +0000
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Pfefferle
Pfefferle webmention Wordpress Wordpress wordpress |
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Pfefferle
Pfefferle webmention Wordpress Wordpress wordpress |
Thu, 02 Apr 2026 14:15:00 +0000
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ssvc
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Thu, 02 Apr 2026 08:00:00 +0000
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| Description | The Webmention plugin for WordPress is vulnerable to Server-Side Request Forgery in all versions up to, and including, 5.6.2 in the 'MF2::parse_authorpage' function via the 'Receiver::post' function. This makes it possible for unauthenticated attackers to make web requests to arbitrary locations originating from the web application and can be used to query and modify information from internal services. | |
| Title | Webmention <= 5.6.2 - Unauthenticated Blind Server-Side Request Forgery | |
| Weaknesses | CWE-918 | |
| References |
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| Metrics |
cvssV3_1
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Status: PUBLISHED
Assigner: Wordfence
Published:
Updated: 2026-04-02T13:45:20.365Z
Reserved: 2026-01-07T19:18:17.788Z
Link: CVE-2026-0686
Updated: 2026-04-02T13:45:05.733Z
Status : Received
Published: 2026-04-02T08:16:27.850
Modified: 2026-04-02T08:16:27.850
Link: CVE-2026-0686
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