Improper input validation in WordPress

1) Input validation error

EUVDB-ID: #VU76396

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 - Improper input validation

Exploit availability: No

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 - 6.2.1

CPE2.3

• cpe:2.3:a:wordpress_org:wordpress:5.9.6:*:*:*:*:*:*:*
• cpe:2.3:a:wordpress_org:wordpress:6.0.4:*:*:*:*:*:*:*
• cpe:2.3:a:wordpress_org:wordpress:6.1.2:*:*:*:*:*:*:*
• cpe:2.3:a:wordpress_org:wordpress:6.2.1:*:*:*:*:*:*:*

External links

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

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.