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4.8

The Popup box WordPress plugin before 3.7.2 does not sanitize and escape some Popup fields, which could allow high-privilege users such as an administrator to inject arbitrary web scripts even when...

CVE-2023-4390 · published 3 years ago
Summary

The Popup box WordPress plugin before 3.7.2 does not sanitize and escape some Popup fields, which could allow high-privilege users such as an administrator to inject arbitrary web scripts even when the unfiltered_html capability is disallowed (for example in a multisite setup).

What to do
  • Update ays-pro popup_box to version 3.7.2 or later.
Affected software
VendorProductAffected versions
ays-pro popup_box < 3.7.2
cpe:2.3:a:ays-pro:popup_box:*:*:*:*:*:wordpress:*:*
Original advisory text
The Popup box WordPress plugin before 3.7.2 does not sanitize and escape some Popup fields, which could allow high-privilege users such as an administrator to inject arbitrary web scripts even when...
The Popup box WordPress plugin before 3.7.2 does not sanitize and escape some Popup fields, which could allow high-privilege users such as an administrator to inject arbitrary web scripts even when the unfiltered_html capability is disallowed (for example in a multisite setup).
References
Fix within
Internet-facing 60 days
Internal At next upgrade
  • Not known to be exploited
  • Needs hands-on effort to exploit
  • Gives an attacker partial control
Severity
4.8 Medium
Exploitation
<1% chance of attack within 30 days
Type
CWE-79Cross-site Scripting (XSS)
Timeline
Published31 Oct 2023
Updated4 Nov 2026
First seen29 Sep 2026
Sources
CVE-2023-4390 · NVD
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