SB2023072075 - Stored cross-site scripting in Buy Me a Coffee plugin for WordPress

Description

This security bulletin contains information about 1 vulnerability.

1) Stored cross-site scripting (CVE-ID: CVE-2023-2082)

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 in the text value set with the bmc_post_reception action. A remote user 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.

Remediation

Install update from vendor's website.

References

• https://plugins.trac.wordpress.org/browser/buymeacoffee/trunk/includes/class-buy-me-a-coffee.php?rev=2319979#L162
• https://plugins.trac.wordpress.org/changeset?old_path=%2Fbuymeacoffee%2Ftags%2F3.6&old=2922493&new_path=%2Fbuymeacoffee%2Ftags%2F3.7&new=2922493&sfp_email=&sfph_mail=
• https://www.wordfence.com/threat-intel/vulnerabilities/id/ed9f8948-085b-4ac5-befd-c70085aa23cd?source=cve
• https://plugins.trac.wordpress.org/browser/buymeacoffee/trunk/admin/class-buy-me-a-coffee-admin.php?rev=2816542