Medium severity · published Oct 7, 2026
CVE-2026-104393
WordPress Happy Addons for Elementor plugin <= 3.50.0 - Cross Site Scripting (XSS) vulnerability
6.5
CVSS
0.1%
EPSS
No
On KEV
Description
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in weDevs Happy Addons for Elementor happy-elementor-addons allows Stored XSS.This issue affects Happy Addons for Elementor: from n/a through 3.50.0.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:L
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
Required
Confidentiality
Low
Integrity
Low
Availability
Low
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)0.1% · higher than 2% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
HA
Happy Addons for Elementor · weDevs
through 3.50.0 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-104393
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-104393
vdb-entry
https://patchstack.com/database/wordpress/plugin/happy-elementor-addons/vulnerability/wordpress-happy-addons-for-elementor-plugin-3-50-0-cross-site-scripting-xss-vulnerability?_s_id=cve
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