WordPress
CVE-2026-2479
MEDIUM
Severity by source
AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:N
Primary rating from NVD · only source for this CVE.
CVSS VectorNVD
Lifecycle Timeline
2DescriptionCVE.org
The Responsive Lightbox & Gallery plugin for WordPress is vulnerable to Server-Side Request Forgery in all versions up to, and including, 2.7.1. This is due to the use of strpos() for substring-based hostname validation instead of strict host comparison in the ajax_upload_image() function. This makes it possible for authenticated attackers, with Author-level access and above, to make web requests to arbitrary locations originating from the web application, which can be used to query and modify information from internal services.
AnalysisAI
Authenticated WordPress users with Author-level or higher privileges can exploit a Server-Side Request Forgery vulnerability in the Responsive Lightbox & Gallery plugin (versions up to 2.7.1) due to improper hostname validation in the image upload function. This allows attackers to send arbitrary web requests from the vulnerable server to internal services, potentially exposing or modifying sensitive information within the network. The vulnerability affects all versions up to 2.7.1 with no patch currently available.
Technical ContextAI
Classified as CWE-918 (Server-Side Request Forgery (SSRF)). The Responsive Lightbox & Gallery plugin for WordPress is vulnerable to Server-Side Request Forgery in all versions up to, and including, 2.7.1. This is due to the use of strpos() for substring-based hostname validation instead of strict host comparison in the ajax_upload_image() function. This makes it possible for authenticated attackers, with Author-level access and above, to make web requests to arbitrary locations originating from the web application, which can be used to query and modi
Affected ProductsAI
The Responsive Lightbox & Gallery plugin for WordPress is vulnerable to Server-Side Request Forgery in all versions up to, and including, 2.7.1. This
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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