Client Invoicing by Sprout Invoices <= 19.9.6 - Authenticated Stored Cross-Site Scripting

2021-10-18 00:00

Dipak Panchal (th3.d1p4k)

Strategic Overview

Status

Patched in 19.9.7

Affected PluginSprout Invoices – Client Invoicing & Estimates

Affected Version< 19.9.7

CVSS4.8Medium

CVECVE-2021-24787

View all Sprout Invoices – Client Invoicing & Estimates vulnerabilities

Vulnerability Overview

The Client Invoicing by Sprout Invoices plugin for WordPress is vulnerable to Stored Cross-Site Scripting in versions up to, and including, 5.5 due to the plugin not sanitising and escaping some of its settings. This makes it possible for high privilege users to inject arbitrary web scripts in pages to perform attacks even when the unfiltered_html capability is disallowed.

Technical Analysis

REMEDIATION: Update to version 19.9.7, or a newer patched version --- IDENTIFIER: CWE-79 (Improper 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.

External References

https://www.cve.org/CVERecord?id=CVE-2021-24787 https://www.wordfence.com/threat-intel/vulnerabilities/id/59cdb3e3-06ca-4325-9dae-73ad3cdfd910

CVSS Vector

4.8

CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N

Base

Attack VectorNetwork
Attack ComplexityLow
Privileges RequiredHigh
User InteractionRequired
ScopeChanged
ConfidentialityLow
IntegrityLow
AvailabilityNone

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