Medium severity · published Oct 22, 2026
CVE-2023-54413
WPML Multilingual CMS WordPress Plugin < 4.6.1 Reflected XSS via wp-login.php wp_lang
6.1
CVSS
0.2%
EPSS
No
On KEV
Description
WPML Multilingual CMS plugin for WordPress before 4.6.1 contains a reflected cross-site scripting vulnerability that allows unauthenticated attackers to inject script by supplying crafted input in the wp_lang parameter. Attackers can lure users to /wp-login.php with a wp_lang value injecting an image input with an obfuscated onfocus handler to execute JavaScript in the victim's browser. Exploitation evidence was first observed by the Shadowserver Foundation on 2025-11-12.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
Low
Integrity
Low
Availability
None
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)0.2% · higher than 11% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
WM
WPML Multilingual CMS · OnTheGoSystems
before 4.6.1 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2023-54413
CVE.org
https://www.cve.org/CVERecord?id=CVE-2023-54413
github.com
https://github.com/projectdiscovery/nuclei-templates/blob/main/http/vulnerabilities/wordpress/wpml-multilingual-cms-xss.yaml
wpml.org
https://wpml.org/changelog/2023/03/wpml-4-6-1-important-security-update/
wpscan.com
https://wpscan.com/vulnerability/b9cc519c-7ec2-42c3-9f42-01e928e12139/
www.vulncheck.com
https://www.vulncheck.com/advisories/wpml-multilingual-cms-wordpress-plugin-4.6.1-reflected-xss-via-wp-login-php-wp-lang