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TI-2023-04056 Aliases CVE-2023-4390GHSA-42cp-342j-hw3x

Popup box < 3.7.2 - Admin+ Stored Cross-Site Scripting

Priority MEDIUM 55CWE-79Published · Updated

Key facts

Attack vector
Network
Privileges required
High
User interaction
Required
Attack complexity
Low
Impact type
Cross-site scripting
Confidentiality · integrity · availability
Low · Low · None
Fix status
Fixed

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-79.

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).

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00475 41st percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA and NVD
Fix Fixed Popup box (Unknown): 3.7.2

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
UnknownPopup boxbefore 3.7.23.7.2Patch availableCNA
  • Popup box VendorUnknown Affected before 3.7.2 Fixed in 3.7.2 Patch available CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:ays-pro:popup_box:*:*:*:*:*:wordpress:*:*before 3.7.2VulnerableAys Pro
  • cpe:2.3:a:ays-pro:popup_box:*:*:*:*:*:wordpress:*:* Versions before 3.7.2 Vulnerable ·Ays Pro

Remediation

  • Fix · CNA Popup box (Unknown) Fixed in 3.7.2

Timeline

  1. 2026-10-02 Threatist record created from CVE-2023-4390
  2. 2026-10-03 Alias added: GHSA-42cp-342j-hw3x

References

Exploit 1

  • TI-2025-14239 Popup Box AYS Pro < 5.5.0 - Admin+ Stored Cross-Site Scripting (XSS) via CSRF CVSS 3.1MEDIUM 5.4
  • TI-2024-08906 Popup Box < 4.7.8 - Admin+ Stored XSS CVSS 3.1MEDIUM 5.4
  • TI-2023-05409 Popup box < 3.8.6 - Admin+ Stored XSS in Popup Settings CVSS 3.1MEDIUM 4.8
  • TI-2023-04916 Popup Box < 3.7.9 - Admin+ Stored XSS CVSS 3.1MEDIUM 4.8
  • TI-2021-06749 Popup Like box - Page Plugin < 3.5.3 - Authenticated Blind SQL Injections CVSS 3.1HIGH 8.8
  • TI-2021-06747 Popup box < 2.3.4 - Authenticated Blind SQL Injections CVSS 3.1HIGH 8.8
See all 9 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences