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CVE-2025-12359

Responsive Lightbox & Gallery <= 2.5.3 - Authenticated (Author+) Server-Side Request Forgery

The Responsive Lightbox & Gallery plugin for WordPress is vulnerable to Server-Side Request Forgery in all versions up to, and including, 2.5.3 via the 'get_image_size_by_url' function. This is due to insufficient validation of user-supplied URLs when determining image dimensions for gallery items. 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.

CVSS 3.1 · 5.4 Medium EPSS < 1% KEV · Not listed
Vendors
Dfactory Wordpress
Products
Responsive Lightbox & Gallery Wordpress
CVE-2026-2479

Responsive Lightbox & Gallery <= 2.7.1 - Authenticated (Author+) Server-Side Request Forgery via Remote Library Image Upload

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.

CVSS 3.1 · 5 Medium EPSS < 1% KEV · Not listed
Vendors
Dfactory Wordpress
Products
Responsive Lightbox & Gallery Wordpress
CVE-2025-15386

Responsive Lightbox & Gallery < 2.6.1 - Unauthenticated Stored XSS

The Responsive Lightbox & Gallery WordPress plugin before 2.6.1 is vulnerable to an Unauthenticated Stored-XSS attack due to flawed regex replacement rules that can be abused by posting a comment with a malicious link when lightbox for comments are enabled and then approved.

CVSS 3.1 · 8.8 High EPSS < 1% KEV · Not listed
Vendors
Dfactory Wordpress
Products
Responsive Lightbox & Gallery Wordpress
CVE-2025-9710

Responsive Lightbox & Gallery < 2.5.3 - Unauthenticated Stored-XSS via Comments

The Responsive Lightbox & Gallery WordPress plugin before 2.5.3 does not properly handle HTML tag attributes modifications, potentially allowing unauthenticated attackers to abuse the functionality to include event handlers and conduct Stored XSS attacks.

CVSS 3.1 · 6.3 Medium EPSS < 1% KEV · Not listed
Vendors
Dfactory Wordpress
Products
Responsive Lightbox & Gallery Wordpress