Popup Builder by OptinMonster – WordPress Popups for Optins, Email Newsletters and Lead Generation <= 2.16.1 - Authenticated (Contributor+) Stored Cross-Site Scripting

MITRE NVD CVE.ORG JSON API Print: PDF PDF

Summary

CVECVE-2024-4045
StatePUBLISHED
AssignerWordfence
Source PriorityCVE Program / NVD first with legacy fallback
Published2024-05-25 06:15:08 UTC
Updated2026-04-08 19:21:31 UTC
DescriptionThe Popup Builder by OptinMonster – WordPress Popups for Optins, Email Newsletters and Lead Generation plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the ‘campaign_id’ parameter in versions up to, and including, 2.16.1 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with contributor-level permissions and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

Risk And Classification

Primary CVSS: v3.1 5.4 MEDIUM from [email protected]

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

EPSS: 0.001760000 probability, percentile 0.391780000 (date 2026-04-12)

Problem Types: CWE-79 | CWE-79 CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

VersionSourceTypeScoreSeverityVector
3.1[email protected]Primary5.4MEDIUMCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
3.1[email protected]Secondary6.4MEDIUMCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N
3.1CNADECLARED6.4MEDIUMCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
Required
Scope
Changed
Confidentiality
Low
Integrity
Low
Availability
None

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Application Optinmonster Optinmonster All All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Smub Popup Builder Popup Maker For WordPress OptinMonster Email Marketing And Lead Generation affected 2.16.1 semver Not specified

References

ReferenceSourceLinkTags
www.wordfence.com/threat-intel/vulnerabilities/id/b4dfeb49-38d3-495d-af96-d67a2... af854a3a-2127-422b-91ae-364da2661108 www.wordfence.com Third Party Advisory
plugins.trac.wordpress.org/changeset/3087905 af854a3a-2127-422b-91ae-364da2661108 plugins.trac.wordpress.org Patch
plugins.trac.wordpress.org/browser/optinmonster/tags/2.16.0/OMAPI/Elementor/Widget.php af854a3a-2127-422b-91ae-364da2661108 plugins.trac.wordpress.org Product
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Vendor Comments And Credit

Discovery Credit

CNA: wesley (en)

Additional Advisory Data

SourceTimeEvent
CNA2024-05-24T16:30:44.000ZDisclosed
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