Cross-site scripting in WordPress WordPress

1) Cross-site scripting

EUVDB-ID: #VU8506

Risk: Low

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: CVE-2017-14724

CWE-ID: CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform cross-site scripting attacks.

The vulnerability exists due to insufficient sanitization of user-supplied data in oEmbed discovery. A remote attacker can trick the victim to follow a specially crafted link and execute arbitrary HTML and script code in victim’s browser in security context of vulnerable website.

Mitigation

Update to version 4.8.2.

Vulnerable software versions

WordPress: 4.8 - 4.8.1

External links

http://wordpress.org/news/2017/09/wordpress-4-8-2-security-and-maintenance-release/

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.