Vulnerability identifier: #VU82041

Vulnerability risk: Medium

CVSSv3.1: 5.3 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: N/A

CWE-ID: CWE-79

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
WordPress
Web applications / CMS

Vendor: WordPress.ORG

Description

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 passed via success_url and reject_url parameters in the application password screen. A remote attacker can trick the victim to follow a specially crafted link 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: 6.3 - 6.3.1, 6.2 - 6.2.2, 6.1 - 6.1.3, 6.0 - 6.0.5, 5.9 - 5.9.7, 5.8 - 5.8.7, 5.7 - 5.7.9, 5.6 - 5.6.11

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External links
http://wordpress.org/news/2023/10/wordpress-6-3-2-maintenance-and-security-release/
http://wpscan.com/vulnerability/da1419cc-d821-42d6-b648-bdb3c70d91f2/

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.