Stored cross-site scripting in Simple Job Board plugin for WordPress

1) Stored cross-site scripting

EUVDB-ID: #VU58265

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-2021-39328

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 the $job_board_privacy_policy_label in the ~/admin/settings/class-simple-job-board-settings-privacy.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 updates from vendor's website.

Vulnerable software versions

Simple Job Board: 1.0 - 2.9.4

CPE2.3

• cpe:2.3:a:presstigers:simple-job-board:1.0:*:*:*:*:*:*:
• cpe:2.3:a:presstigers:simple-job-board:1.1:*:*:*:*:*:*:
• cpe:2.3:a:presstigers:simple-job-board:2.0:*:*:*:*:*:*:

External links

http://www.wordfence.com/vulnerability-advisories/#CVE-2021-39328
http://github.com/BigTiger2020/word-press/blob/main/Simple%20Job%20Board%E2%80%94Stored%20Cross-Site%20Scripting%20-%202.md
http://plugins.trac.wordpress.org/changeset/2617364/simple-job-board/trunk/admin/settings/class-simple-job-board-settings-privacy.php

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.