Stored cross-site scripting in Strong Testimonials - CVE-2020-8549
Published: February 3, 2020 / Updated: June 17, 2021
Vulnerability identifier: #VU24822
CSH Severity: Low
CVSS v4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N]
CVE-ID: CVE-2020-8549
CWE-ID: CWE-79
Exploitation vector: Remote access
Exploit availability:
Public exploit is available
Vulnerability details
The disclosed vulnerability allows a remote attacker to perform cross-site scripting (XSS) attacks.
The vulnerability exists due to insufficient sanitization of user-supplied data. A remote attacker can inject and execute arbitrary HTML and script code in user's browser in 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.
Affected software
Strong Testimonials
How to mitigate CVE-2020-8549
Install updates from vendor's website.
Strong Testimonials - update to 2.40.1
Links to Public Exploits and PoC-codes
External References
- https://wpvulndb.com/vulnerabilities/10056/
- https://www.getastra.com/blog/911/plugin-exploit/stored-xss-vulnerability-found-in-strong-testimonials-plugin/
- https://www.jinsonvarghese.com/stored-xss-vulnerability-in-strong-testimonials-plugin/
- https://github.com/MachoThemes/strong-testimonials/blob/master/changelog.txt