CVE-2026-2479

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

MEDIUM
5
CVSS Score
Published: February 25, 2026 at 08:25 AM UTC
Updated: June 17, 2026 at 10:31 AM UTC
1 product affected across 1 vendorResponsive Lightbox

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Severity
MEDIUM5
Exploit prediction
EPSS 0.3%
SSVC
No known exploit

Description

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

v ≤ 2.7.1

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

5MEDIUMWordfence
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-918

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