High severity · published Jul 13, 2026
CVE-2026-57394
WordPress Newsletters plugin <= 4.14 - Cross Site Scripting (XSS) vulnerability
7.1
CVSS
0.3%
EPSS
No
On KEV
Description
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Tribulant Software Newsletters newsletters-lite allows Reflected XSS.This issue affects Newsletters: from n/a through <= 4.14.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
Low
Integrity
Low
Availability
Low
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)0.3% · higher than 16% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
NE
Newsletters · Tribulant Software
through 4.14 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-57394
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-57394
patchstack.com
https://patchstack.com/database/Wordpress/Plugin/newsletters-lite/vulnerability/wordpress-newsletters-plugin-4-14-cross-site-scripting-xss-vulnerability?_s_id=cve
More from Newsletters
9.8
CVE-2026-94075
WordPress Newsletters plugin <= 4.18.1 - PHP Object Injection vulnerability
9.6
CVE-2026-116863
WordPress Newsletters plugin <= 4.18.2 - Cross Site Request Forgery (CSRF) vulnerability
9.3
CVE-2026-111402
WordPress Newsletters plugin <= 4.18.1 - SQL Injection vulnerability
8.1
CVE-2026-57645
WordPress Newsletters plugin <= 4.13 - Broken Access Control vulnerability
7.6
CVE-2026-66619
WordPress Newsletters plugin <= 4.18 - SQL Injection vulnerability