WordPress
CVE-2026-1356
MEDIUM
Severity by source
AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N
Primary rating from NVD · only source for this CVE.
CVSS VectorNVD
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N
Lifecycle Timeline
2DescriptionCVE.org
The Converter for Media - Optimize images | Convert WebP & AVIF plugin for WordPress is vulnerable to Server-Side Request Forgery in all versions up to, and including, 6.5.1 via the PassthruLoader::load_image_source 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.
AnalysisAI
The Converter for Media WordPress plugin through version 6.5.1 contains a server-side request forgery vulnerability in the image loading function that allows unauthenticated attackers to make arbitrary web requests from the affected server. This could enable attackers to probe internal services and potentially read or modify sensitive data accessible from the web application. No patch is currently available.
Technical ContextAI
Classified as CWE-918 (Server-Side Request Forgery (SSRF)). The Converter for Media – Optimize images | Convert WebP & AVIF plugin for WordPress is vulnerable to Server-Side Request Forgery in all versions up to, and including, 6.5.1 via the PassthruLoader::load_image_source 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.
Affected ProductsAI
The Converter for Media – Optimize images | Convert WebP & AVIF plugin for WordPress is vulnerable to Server-Side Request Forgery in all versions up t
RemediationAI
Monitor vendor advisories for a patch. Restrict network access to the affected service where possible.
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Same weakness CWE-918 – Server-Side Request Forgery (SSRF)
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External POC / Exploit Code
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