CVE-2024-9599: ays-pro popup_box Cross-site Scripting
Vulnerability summary
CVE-2024-9599 is a medium (CVSS 5.4) Cross-site Scripting vulnerability in ays-pro popup_box. EPSS estimates a 0.35% chance of exploitation in the next 30 days, higher than 26.7% of scored vulnerabilities. 1 public exploit is recorded.
Timeline
- 15-05-2025PublishedVulnerability first disclosed.
- 16-05-2025Last modifiedVulnerability information updated.
Description
The Popup Box WordPress plugin before 4.7.8 does not sanitise and escape some of its settings, which could allow high privilege users such as admin to perform Stored Cross-Site Scripting attacks even when the unfiltered_html capability is disallowed (for example in multisite setup).
CVSS metrics
3 scores · 3 sources · 1 version- NVDNIST5.4MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
- wordfenceSource4.4MediumCVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:L/I:L/A:NDiffers
EPSS trend
Probability
0.35%
Chance of exploitation in the next 30 days
Percentile
27%
Versus all other CVEs
30-day change
+0.01 pp
From 0.33% on 18-09-2026
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
Ays-pro1 product
- popup_box< 4.7.8
Unknown1 product
- popup box< 4.7.8
Wordpress1 product
- ays-popup-box≤ 4.7.7 (fixed in 4.7.8)
3 vendors · 3 products
References
2 links- wpscan.com/vulnerability/9e8a2659-7a6c-4528-b0b2-64d462485b43/ExploitVDB EntryTechnical DescriptionThird Party Advisory