High severity · published May 27, 2026
CVE-2026-42733
WordPress WPCS plugin <= 1.3.1 - Cross Site Scripting (XSS) vulnerability
7.1
CVSS
0.2%
EPSS
No
On KEV
Description
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in RealMag777 WPCS currency-switcher allows DOM-Based XSS.This issue affects WPCS: from n/a through <= 1.3.1.
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)0.2% · higher than 7% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
WP
WPCS · RealMag777
through 1.3.1 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-42733
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-42733
patchstack.com
https://patchstack.com/database/Wordpress/Plugin/currency-switcher/vulnerability/wordpress-wpcs-plugin-1-3-1-cross-site-scripting-xss-vulnerability?_s_id=cve
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CVE-2026-84816
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