Stored cross-site scripting in WordPress Backup Guard plugin

1) Stored cross-site scripting

EUVDB-ID: #VU70251

Risk: Low

CVSSv4.0: 1.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:U/U:Clear]

CVE-ID: CVE-2022-34148

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

Exploit availability: No

Description

The vulnerability allows a remote user to perform cross-site scripting (XSS) attacks.

The vulnerability exists due to insufficient sanitization of user-supplied data. A remote user can permanently inject and execute arbitrary HTML and script code in user's browser in context of vulnerable website.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

WordPress Backup and Migrate Plugin - Backup Guard: 1.6.8.1 - 1.6.8.8

CPE2.3

• cpe:2.3:a:backupguard:backup:1.6.8.1:*:*:*:*:wordpress:*:*
• cpe:2.3:a:backupguard:backup:1.6.8.6:*:*:*:*:wordpress:*:*
• cpe:2.3:a:backupguard:backup:1.6.8.7:*:*:*:*:wordpress:*:*

External links

https://patchstack.com/database/vulnerability/backup/wordpress-backup-guard-plugin-1-6-8-8-auth-stored-cross-site-scripting-xss-vulnerability

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated privileged user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.