What is CVE-2023-4390?

CVE-2023-4390 is a medium-severity vulnerability in Ays-pro Popup_box, classified under Cross-site Scripting. CVSS score: 4.8/10. Published 2023-10-31.

How severe is CVE-2023-4390?

Medium severity. CVSS v3 base score is 4.8 out of 10.

Is CVE-2023-4390 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

XSS in Ays-pro Popup_box

CVE-2023-4390

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 disallo…

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.004 (32.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.8 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N.

Affected products

Ays-pro Popup_box
Unknown Popup Box — versions 0

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

Public proof-of-concept exploits

20142995/nuclei-templates

References

contact@wpscan.com (Exploit, technical-description, Third Party Advisory, exploit, vdb-entry)

Frequently asked questions

What is CVE-2023-4390?: CVE-2023-4390 is a medium-severity vulnerability in Ays-pro Popup_box, classified under Cross-site Scripting. CVSS score: 4.8/10. Published 2023-10-31.
How severe is CVE-2023-4390?: Medium severity. CVSS v3 base score is 4.8 out of 10.
Is CVE-2023-4390 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.