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Wed, 01 Jul 2026 11:30:00 +0000
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ssvc
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Wed, 01 Jul 2026 00:15:00 +0000
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Pfefferle
Pfefferle webmention Wordpress Wordpress wordpress |
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| Vendors & Products |
Pfefferle
Pfefferle webmention Wordpress Wordpress wordpress |
Tue, 30 Jun 2026 19:00:00 +0000
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| Description | The Webmention plugin for WordPress is vulnerable to Stored Cross-Site Scripting in versions up to and including 5.8.0 via parser-derived 'avatar' and 'url' author metadata. This is due to insufficient input sanitization and output escaping on user-supplied MF2 author properties processed by the unauthenticated webmention REST endpoint and rendered directly into HTML 'value' attributes by the edit-comment-form template without esc_attr() or esc_url(). This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that will execute whenever a privileged user (moderator or administrator) opens the affected comment edit screen. | |
| Title | Webmention <= 5.8.0 - Unauthenticated Stored Cross-Site Scripting via MF2 'photo'/'url' Author Properties | |
| Weaknesses | CWE-79 | |
| References |
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| Metrics |
cvssV3_1
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Projects
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Status: PUBLISHED
Assigner: Wordfence
Published:
Updated: 2026-07-01T10:32:06.942Z
Reserved: 2026-06-01T04:52:29.224Z
Link: CVE-2026-10513
Updated: 2026-07-01T10:31:14.007Z
Status : Deferred
Published: 2026-06-30T19:16:26.473
Modified: 2026-07-01T13:56:17.493
Link: CVE-2026-10513
No data.
OpenCVE Enrichment
Updated: 2026-07-01T00:00:16Z