Vulnerability identifier: #VU59288
Vulnerability risk: Medium
CVSSv3.1: 5.6 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N/E:U/RL:O/RC:C]
CVE-ID:
CWE-ID:
CWE-79
Exploitation vector: Network
Exploit availability: No
Vulnerable software:
WordPress
Web applications /
CMS
Vendor: WordPress.ORG
Description
The vulnerability allows a remote user to perform cross-site scripting (XSS) attacks.
The vulnerability exists due to insufficient sanitization of user-supplied data in post slugs. A remote user can permanently 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.
Mitigation
Install updates from vendor's website.
Vulnerable software versions
WordPress: 5.4 - 5.4.8, 5.3 - 5.3.10, 5.2 - 5.2.13, 5.8 - 5.8.2, 5.7 - 5.7.4, 5.6 - 5.6.6, 5.5 - 5.5.7, 5.1 - 5.1.11, 5.0 - 5.0.14, 4.9 - 4.9.18, 4.8 - 4.8.17, 4.7 - 4.7.21, 4.6 - 4.6.21, 4.5 - 4.5.24, 4.4 - 4.4.25, 4.3 - 4.3.26, 4.2 - 4.2.30, 4.1 - 4.1.33, 4.0 - 4.0.33, 3.9 - 3.9.34, 3.8 - 3.8.36, 3.7 - 3.7.36
External links
http://wordpress.org/news/2022/01/wordpress-5-8-3-security-release/
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.