What is CVE-2019-25744?

CVE-2019-25744 is a medium-severity vulnerability in Popup-builder Popup Builder, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2026-06-04.

How severe is CVE-2019-25744?

Medium severity. CVSS v3 base score is 5.4 out of 10.

XSS in Popup-builder Popup Builder

CVE-2019-25744

WordPress Popup Builder 3.49 contains a persistent cross-site scripting vulnerability that allows authenticated attackers to inject malicious scripts by breaking out of option tags in the post_title parameter. Attackers can submit crafted…

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.002 (6.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N.

Affected products

Popup-builder Popup Builder — versions 3.49

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

ExploitDB-47518 (exploit)
Official Product Homepage (product)
Product Reference (product)
VulnCheck Advisory: WordPress Popup Builder 3.49 Persistent Cross-Site Scripting (third-party-advisory)

Frequently asked questions

What is CVE-2019-25744?: CVE-2019-25744 is a medium-severity vulnerability in Popup-builder Popup Builder, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2026-06-04.
How severe is CVE-2019-25744?: Medium severity. CVSS v3 base score is 5.4 out of 10.