CVE-2019-25744
Medium
Description
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 POST requests to the post.php endpoint with script payloads in the post_title field that execute when pages or posts display popup selections.
SeverityMedium
CVSS5.4
Exploit probability—
ProductPopup Builder
PublishedJun 4, 2026
First seenJun 4, 2026
Weakness typeCWE-79Cross-site scripting (XSS)
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| Popup-Builder Popup Builder | 3.49 | — |
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