#VU14722 Cross-site scripting in Relevanssi WordPress Plugin - CVE-2018-9034
Published: April 4, 2018 / Updated: June 17, 2021
Vulnerability identifier: #VU14722
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:P/U:Clear
CVE-ID: CVE-2018-9034
CWE-ID: CWE-79
Exploitation vector: Remote access
Exploit availability:
Public exploit is available
Vulnerable software:
Relevanssi WordPress Plugin
Relevanssi WordPress Plugin
Software vendor:
Mikko Saari
Mikko Saari
Description
Vulnerability allows a remote attacker to perform XSS attacks.
The vulnerability is caused by an input validation error in lib/interface.php of the Relevanssi plugin 4.0.4 for WordPress when processing tab GET parameter. A remote attacker can trick the victim to follow a specially specially crafted link and execute arbitrary HTML and script code in victim's browser in security context of vulnerable website.
Successful exploitation of this vulnerability may allow a remote attacker to steal potentially sensitive information, change appearance of the web page, perform phishing and drive-by-download attacks.
Remediation
Install update from vendor's website.