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.

Attack Vector Network

Attack Complexity Low

Privileges Required Low

Attack Requirements None

User Interaction Passive

Vulnerable System Confidentiality Impact None

Vulnerable System Integrity Impact None

Vulnerable System Availability Impact None

Subsequent System Confidentiality Impact Low

Subsequent System Integrity Impact Low

Subsequent System Availability Impact None

Attack Vector Network

Attack Complexity Low

Privileges Required Low

Scope Changed

Confidentiality Impact Low

Integrity Impact Low

Availability Impact None

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

No EPSS score available.

Exploitation poc

Automatable no

Technical Impact partial

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions
Popup-Builder Popup Builder affected
Version Status Constraints
3.49 affected —

No data.

No data.

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Project Subscriptions

No data.

Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
https://popup-builder.com/ cve-icon cve-icon
https://wordpress.org/plugins/popup-builder/ cve-icon cve-icon
https://www.exploit-db.com/exploits/47518 cve-icon cve-icon
https://www.vulncheck.com/advisories/wordpress-popup-builder-persistent-cross-site-scripting cve-icon cve-icon
History

Thu, 04 Jun 2026 14:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Thu, 04 Jun 2026 13:30:00 +0000

Type Values Removed Values Added
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.
Title WordPress Popup Builder 3.49 Persistent Cross-Site Scripting
Weaknesses CWE-79
References
Metrics cvssV3_1

{'score': 6.4, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N'}

cvssV4_0

{'score': 5.1, 'vector': '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'}

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: VulnCheck

Published:

Updated: 2026-06-04T13:43:24.885Z

Reserved: 2026-06-04T11:23:41.619Z

Link: CVE-2019-25744

cve-icon Vulnrichment

Updated: 2026-06-04T13:43:22.030Z

cve-icon NVD

Status : Received

Published: 2026-06-04T14:16:33.717

Modified: 2026-06-04T14:16:33.717

Link: CVE-2019-25744

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses