#VU76396 Input validation error in WordPress

Vulnerability identifier: #VU76396

Vulnerability risk: Medium

CVSSv4.0: 1.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: N/A

CWE-ID: CWE-20

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
WordPress
Web applications / CMS

Vendor: WordPress.ORG

Description

The vulnerability allows a remote attacker to perform spoofing attack.

The vulnerability exists due to an incomplete fix for #VU76395 when parsing shortcodes in user generated data. A remote attacker can pass specially crafted input to the application and modify its behavior.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

WordPress: 5.9 - 5.9.6, 6.0 - 6.0.4, 6.1 - 6.1.2, 6.2 - 6.2.1

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External links
https://wordpress.org/news/2023/05/wordpress-6-2-2-security-release/

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Q & A

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.