CVE-2025-12359 json
Responsive Lightbox & Gallery <= 2.5.3 - Authenticated (Author+) Server-Side Request Forgery
published 2025-11-19 11 mo ago modified 2026-10-18 21 d ago also EUVD-2025-198106
- cvss
- 5.4
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.3%
- EPSS 0.3% chance of exploitation in 30 days, percentile 17%
- public exploits
- 0
- none known
Summary
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.
Patch / fix
- dfactory responsive_lightbox 2.5.4
CISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- partial
- Assessed
- 11 mo ago
Exploit prediction
0.26% chance of exploitation in the next 30 days, higher than 17% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 5.4 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N |
Affected products
- dfactory Responsive Lightbox & Gallery
Classification
- Weakness
-
- CWE-918 Server-Side Request Forgery
- Technology feeds
References
- wordfence.com /threat-intel/vulnerabilities/id/7f4c0bd6-f289-4a52-ac11-345076c32d84?source=cve
- plugins.trac.wordpress.org /browser/responsive-lightbox/tags/2.5.3/includes/class-frontend.php#L1531
- plugins.trac.wordpress.org /browser/responsive-lightbox/tags/2.5.3/includes/class-fast-image.php#L25
- plugins.trac.wordpress.org /browser/responsive-lightbox/tags/2.5.3/includes/functions.php#L108
- plugins.trac.wordpress.org /browser/responsive-lightbox/tags/2.5.3/includes/class-galleries.php#L3648
- research.cleantalk.org /cve-2025-12359
- plugins.trac.wordpress.org /changeset?sfp_email=&sfph_mail=&reponame=&new=3397940%40responsive-lightbox%2Ftrunk&old=3358021%40responsive-
Sources
- CVE List CVE-2025-12359
- NVD CVE-2025-12359
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.
CPEs and fixed versions use Anchore's correction of NVD's data: Added CPE configurations because not yet analyzed by NVD.