Medium severity5.4NVD Advisory· Published Jun 4, 2026· Updated Jun 10, 2026

CVE-2019-25744

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.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

WordPress/Popup Builderllm-fuzzy
Range: <3.49
Package: https://wordpress.org/plugins/popup-builder

Patches

Vulnerability mechanics

References

popup-builder.comnvd
wordpress.org/plugins/popup-builder/nvd
www.exploit-db.com/exploits/47518nvd
www.vulncheck.com/advisories/wordpress-popup-builder-persistent-cross-site-scriptingnvd

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