CVE-2021-24787: unknown client invoicing by sprout invoices – easy estimates and invoices for wordpress Cross-site Scripting

Vulnerability summary

CVE-2021-24787 is a medium (CVSS 4.8) Cross-site Scripting vulnerability in unknown client invoicing by sprout invoices – easy estimates and invoices for wordpress. EPSS estimates a 0.62% chance of exploitation in the next 30 days, higher than 48.8% of scored vulnerabilities. 1 public exploit is recorded.

Timeline

1. 17-11-2021
   PublishedVulnerability first disclosed.
2. 03-08-2024
   Last modifiedVulnerability information updated.

Description

The Client Invoicing by Sprout Invoices WordPress plugin before 19.9.7 does not sanitise and escape some of its settings, which could allow high privilege users to perform Cross-Site Scripting attacks even when the unfiltered_html capability is disallowed

• CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.