#VU57619 Stored cross-site scripting in JobBoardWP - Job Board Listings and Submissions - CVE-2021-39329

Vulnerability identifier: #VU57619

Vulnerability risk: Low

CVSSv4.0: 1.2 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:U/U:Clear]

CVE-ID: CVE-2021-39329

CWE-ID: CWE-79

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
JobBoardWP - Job Board Listings and Submissions
Web applications / Modules and components for CMS

Vendor: Ultimate Member

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

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

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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.