CVE-2023-5740
The Live Chat with Facebook Messenger plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's 'messenger' shortcode in all versions up to, and including, 1.0 due to insufficient input sanitization and output escaping on user…
Does this matter?
Lower severity and a low EPSS score (0.53%). Track it; it rarely justifies an emergency change on its own.
Description
The Live Chat with Facebook Messenger plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's 'messenger' shortcode in all versions up to, and including, 1.0 due to insufficient input sanitization and output escaping on user supplied attributes. This makes it possible for authenticated attackers with contributor-level and above permissions to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.
- CVSS 3.1
- 5.4 MEDIUMCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
- EPSS
- 0.53% probability · 43th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-79
- Affected
- ninjateam/live chat with facebook messenger
- Source
- security@wordfence.com
References
- https://plugins.trac.wordpress.org/browser/wp-facebook-messenger/trunk/frontend/shortcode.php#L22Issue Tracking
- https://plugins.trac.wordpress.org/browser/wp-facebook-messenger/trunk/frontend/shortcode.php#L32Issue Tracking
- https://www.wordfence.com/threat-intel/vulnerabilities/id/aa32a790-242f-4142-9f4d-e1b2a07045bb?source=cveThird Party Advisory
- https://plugins.trac.wordpress.org/browser/wp-facebook-messenger/trunk/frontend/shortcode.php#L22Issue Tracking
- https://plugins.trac.wordpress.org/browser/wp-facebook-messenger/trunk/frontend/shortcode.php#L32Issue Tracking
- https://www.wordfence.com/threat-intel/vulnerabilities/id/aa32a790-242f-4142-9f4d-e1b2a07045bb?source=cveThird Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.