CVE-2019-25744
MEDIUM EPSS 6.8%
Published Jun 4, 20263w ago · Modified Jun 17, 20261w ago
5.1 CVSS 4.0
Published Jun 4, 2026 3w ago
Last Modified Jun 17, 2026 1w ago
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.
CVSS Details
Base Score
Exploitability
Impact
Vector string
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X Attack Vector Network
Attack Complexity Low
Privileges Required Low
User Interaction P
Scope X
Threat Intelligence
EPSS Exploit Probability
6.8% percentile
Exploit & Patch Status
No Known Exploit
No Patch Available
Weaknesses 1
CWE-79 Cross-site Scripting Injection
References 4
- popup-builder.com https://popup-builder.com/
- wordpress.org https://wordpress.org/plugins/popup-builder/
- exploit-db.com https://www.exploit-db.com/exploits/47518
- vulncheck.com https://www.vulncheck.com/advisories/wordpress-popup-builder-persistent-cross-site-scripting
Remediation
No remediation data recorded yet
Check vendor advisories and the NVD entry for patch availability.