CVE-2021-24357: fooplugins best image gallery & responsive photo gallery – foogallery Cross-site Scripting
Vulnerability summary
CVE-2021-24357 is a medium (CVSS 6.4) Cross-site Scripting vulnerability in fooplugins best image gallery & responsive photo gallery – foogallery. EPSS estimates a 0.62% chance of exploitation in the next 30 days, higher than 48.9% of scored vulnerabilities. 1 public exploit is recorded.
Timeline
- 14-06-2021PublishedVulnerability first disclosed.
- 03-08-2024Last modifiedVulnerability information updated.
Description
In the Best Image Gallery & Responsive Photo Gallery – FooGallery WordPress plugin before 2.0.35, the Custom CSS field of each gallery is not properly sanitised or validated before being being output in the page where the gallery is embed, leading to a stored Cross-Site Scripting issue.
CVSS metrics
3 scores · 2 sources · 2 versions- NVDNIST5.4MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:NDiffers
EPSS trend
Probability
0.62%
Chance of exploitation in the next 30 days
Percentile
49%
Versus all other CVEs
30-day change
0.00 pp
From 0.62% on 20-09-2026
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
Fooplugins2 products
- best image gallery & responsive photo gallery – foogallery≥ 2.0.35, < 2.0.35
- foogallery< 2.0.35
Wordpress1 product
- foogallery< 2.0.35
2 vendors · 3 products
References
2 links- wpscan.com/vulnerability/950f46ae-4476-4969-863a-0e55752953b3X Refsource CONFIRMExploitThird Party Advisory