CVE-2023-0441: simplygallery simply_gallery_blocks_with_lightbox Missing Authorization
Vulnerability summary
CVE-2023-0441 is a high (CVSS 8.1) Missing Authorization vulnerability in simplygallery simply_gallery_blocks_with_lightbox. EPSS estimates a 0.73% chance of exploitation in the next 30 days, higher than 53.7% of scored vulnerabilities. 1 public exploit is recorded.
Timeline
- 27-03-2023PublishedVulnerability first disclosed.
- 19-02-2025Last modifiedVulnerability information updated.
Description
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.
CVSS metrics
3 scores · 3 sources · 1 version- NVDNIST8.1HighCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
- wordfenceSource8.1HighCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H
EPSS trend
Probability
0.73%
Chance of exploitation in the next 30 days
Percentile
54%
Versus all other CVEs
30-day change
0.00 pp
From 0.73% on 21-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
1 foundExploit Reference (wpscan.com)
Maturity: unknown
Weaknesses
CWE · root causeAffected systems
Simplygallery1 product
Unknown1 product
Wordpress1 product
- simply-gallery-block≤ 3.0.7 (fixed in 3.0.8)
3 vendors · 3 products
References
2 links- wpscan.com/vulnerability/11703e49-c042-4eb6-9a5f-6e006e3725a0ExploitVDB EntryTechnical DescriptionThird Party Advisory