CVE-2025-12359Network attack vector

Authenticated SSRF via insufficient image URL validation

Published Nov 19, 2025 · Updated Nov 19, 2025

SSRF in dFactory Responsive Lightbox & Gallery 2.5.3 and earlier allows remote authenticated users to request internal URLs. The get_image_size_by_url function accepts a gallery item’s user-supplied image URL without sufficient validation before the WordPress server retrieves it to determine image dimensions. Author-level WordPress access is required; successful requests originate from the site and can query or modify reachable internal services.

CVSS severity5.4
Medium
EPSS probability0.24%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

SSRF in dFactory Responsive Lightbox & Gallery 2.5.3 and earlier allows remote authenticated users to request internal URLs. The get_image_size_by_url function accepts a gallery item’s user-supplied image URL without sufficient validation before the WordPress server retrieves it to determine image dimensions. Author-level WordPress access is required; successful requests originate from the site and can query or modify reachable internal services.

The record

CVE
CVE-2025-12359
Published
Nov 19, 2025
Updated
Nov 19, 2025
Vendor
dFactory
Product
Responsive Lightbox & Gallery
Classifications
CWE-918, T1190
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. Nov 19, 2025CVE publishedPublication date reported by the CVE source.
  2. Nov 19, 2025Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=* <=2.5.3

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

dFactory · Responsive Lightbox & Galleryversion=* <=2.5.3

Published CVSS scores

5.4WordfenceCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

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No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-918Server-Side Request Forgery (SSRF)
T1190Exploit Public-Facing Application

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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