Popup Box
CVE-2024-9599
MEDIUM
Vulnerability Assessment
| Weakness |
CWE
OWASP Top 10:2025
A05:2025 - Injection
ASVS 5.0
V1 - Encoding and Sanitization Output encoding, context-aware escaping
MITRE ATT&CK
2 techniques across 2 tactics: Initial Access, Execution The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up. |
| Impact | CVSS score of 5.4 (MEDIUM). Attack characteristics: network attack vector, low complexity, low privileges required, user interaction required. Public proof-of-concept exploit code is available. EPSS exploitation probability: 0.14%. |
| Exploit ScenarioDerived | A remote attacker could inject malicious scripts into web pages viewed by other users by sending crafted requests to the affected application. |
Get an e-mail when this CVE is exploited, patched or re-scored. Free account.
Alert meAnalysisAIv1 – Mar 28, 2026
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. Rated medium severity (CVSS 5.4), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available and no vendor patch available.
RemediationAI
No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Sanitize all user input, use Content-Security-Policy headers, encode output contextually (HTML, JS, URL). Use frameworks with built-in XSS protection.
Affects your stack
Find out whether the stacks and servers you run are on an affected version.
Checking this CVE against your own stacks and servers is part of the Basic plan and up.
Technical ContextAI · show details
This vulnerability is classified as Cross-Site Scripting (XSS) (CWE-79), which allows attackers to inject malicious scripts into web pages viewed by other users. 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). Affected products include: Ays-Pro Popup Box. Version information: before 4.7.8.
Know when Popup Box gets its next vulnerability
- Watch products and get an email when something new is published
- Check this CVE against your own stack and servers
- Exploit and PoC references, threat intelligence from 22 sources
No credit card · 7-day full trial
Severity by source
AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
Primary rating from NVD · only source for this CVE.
CVSS VectorNVD
Lifecycle Timeline
2DescriptionCVE.org
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).
Executive ViewAI
Organizations using Popup Box WordPress should be aware of moderate risk from CVE-2024-9599, a cross-site scripting vulnerability rated CVSS 5.4. Attackers could inject scripts to steal sessions or perform actions as authenticated users. Proof-of-concept code is publicly available. Organizations should apply vendor updates when available and monitor for exploitation.
Apply vendor patch. If patching is delayed: implement CSP headers, enable HttpOnly cookies, deploy WAF XSS rules.
Threat Intelligence Overview
How this decision was reached
The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.
What every action level means
SSVC AssessmentENISA
Priority Score
Attack Technique
Cross-Site Scripting occurs when an application accepts untrusted data and sends it to a web browser without proper validation or encoding.
Affected Products (CPE)CVE.org
The get_fb_likeboxes() function in the Popup Like box - Page Plugin WordPress plugin before 3.5.3 did not use whitelist
The get_ays_popupboxes() and get_popup_categories() functions of the Popup box WordPress plugin before 2.3.4 did not use
The Float menu WordPress plugin before 5.0.2, Bubble Menu WordPress plugin before 3.0.4, Button Generator WordPress plug
Cross-Site Request Forgery in Popup Box WordPress plugin before 5.5.0 allows authenticated admins to be tricked into cre
The Popup box WordPress plugin before 3.8.6 does not sanitise and escape some of its settings, which could allow high pr
The Popup box WordPress plugin before 3.8.6 does not sanitise and escape some of its settings, which could allow high pr
The Popup box WordPress plugin before 3.7.9 does not sanitise and escape some of its settings, which could allow high pr
The Popup box WordPress plugin before 3.7.2 does not sanitize and escape some Popup fields, which could allow high-privi
The Popup Box WordPress plugin before 2.2.7 does not have CSRF checks in some bulk actions, which could allow attackers
Authenticated (administrator or higher role) Local File Inclusion (LFI) vulnerability in Wow-Company's Popup Box plugin
Reflected cross-site scripting in the Ays Pro Popup Box WordPress plugin versions 6.2.9 and earlier allows remote unauth
Unauth. Rated medium severity (CVSS 6.1), this vulnerability is remotely exploitable, no authentication required, low at
GitHub PoC
Exploit-DB