Stored cross-site scripting in JobBoardWP – Job Board Listings and Submissions plugin for WordPress

1) Stored cross-site scripting

EUVDB-ID: #VU57619

Risk: Low

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: CVE-2021-39329

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

Exploit availability: No

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 within several parameters in the ~/includes/admin/class-metabox.php file. A remote authenticated attacker can 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 update from vendor's website.

Vulnerable software versions

JobBoardWP – Job Board Listings and Submissions: 1.0.0 - 1.0.7

CPE2.3

• cpe:2.3:a:ultimatemember:jobboardwp:1.0.0:*:*:*:*:*:*:
• cpe:2.3:a:ultimatemember:jobboardwp:1.0.1:*:*:*:*:*:*:
• cpe:2.3:a:ultimatemember:jobboardwp:1.0.2:rc1:*:*:*:*:*:

External links

http://www.wordfence.com/vulnerability-advisories/#CVE-2021-39329
http://github.com/BigTiger2020/word-press/blob/main/JobBoardWP%20%E2%80%93%20Job%20Board%20Listings%20and%20Submissions.md
http://plugins.trac.wordpress.org/browser/jobboardwp/trunk/includes/admin/class-metabox.php#L165

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.