Gallery Blocks with Lightbox < 3.0.8 - Subscriber+ Arbitrary Options Update
Priority HIGH 70Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- High · High · None
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA.
Summary
The Gallery Blocks with Lightbox WordPress plugin before 3.0.8 has an AJAX endpoint that can be accessed by any authenticated users, such as subscriber. The callback function allows numerous actions, the most serious one being reading and updating the WordPress options which could be used to enable registration with a default administrator user role.
Why it matters now
Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00731 54th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA and NVD
Fix Fixed Gallery Blocks with Lightbox. Image Gallery, (HTML5 video , YouTube, Vimeo) Video Gallery and Lightbox for native gallery (Unknown): 3.0.8
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- Poc
- Automatable
- No
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Unknown | Gallery Blocks with Lightbox. Image Gallery, (HTML5 video , YouTube, Vimeo) Video Gallery and Lightbox for native gallery | before 3.0.8 | 3.0.8 | Patch available | CNA |
- Gallery Blocks with Lightbox. Image Gallery, (HTML5 video , YouTube, Vimeo) Video Gallery and Lightbox for native gallery VendorUnknown Affected before 3.0.8 Fixed in 3.0.8 Patch available CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:simplygallery:simply_gallery_blocks_with_lightbox:*:*:*:*:*:wordpress:*:* | before 3.0.8 | Vulnerable | Simplygallery |
- cpe:2.3:a:simplygallery:simply_gallery_blocks_with_lightbox:*:*:*:*:*:wordpress:*:* Versions before 3.0.8 Vulnerable ·Simplygallery
Remediation
- Fix · CNA Gallery Blocks with Lightbox. Image Gallery, (HTML5 video , YouTube, Vimeo) Video Gallery and Lightbox for native gallery (Unknown) Fixed in 3.0.8
Timeline
- 2026-10-02 Threatist record created from CVE-2023-0441
- 2026-10-03 Alias added: GHSA-pwfp-fm3h-8frv
References
More Simplygallery Simply Gallery Blocks With Lightbox vulnerabilities
- TI-2021-06949 Gallery Blocks with Lightbox < 2.2.1- Authenticated Stored Cross-Site Scripting CVSS 3.1MEDIUM 5.4
Sources
- CVE-2023-0441 · CVE Program
- CVE-2023-0441 · NVD
- FIRST EPSS
- GHSA-pwfp-fm3h-8frv · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences