CVE-2022-0360

WP Ultimate CSV Importer <= 6.4.2 - Admin+ Stored Cross-Site Scripting

2022-01-26 00:00
Felipe de Avila

Strategic Overview

Status
Patched in 6.4.3
Affected Version
< 6.4.3
CVSS
4.8Medium
Weakness type
CWE-79 · Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
CVE
CVE-2022-0360
View all WP Ultimate CSV Importer – WordPress CSV, XML & Excel Import vulnerabilities

At a glance

CVE-2022-0360 is a medium-severity Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in the WP Ultimate CSV Importer WordPress plugin, affecting versions < 6.4.3. It carries a CVSS score of 4.8 (reachable over the network; low attack complexity). The issue is fixed in version 6.4.3; sites on affected versions should update now. Disclosed January 2022, reported by Felipe de Avila.

Vulnerability Overview

The Easy Drag And drop All Import : WP Ultimate CSV Importer WordPress plugin before 6.4.3 does not sanitise and escaped imported comments, which could allow high privilege users to import malicious ones (either intentionnaly or not) and lead to Stored Cross-Site Scripting issues

Technical Analysis

The vector marks this flaw as remotely reachable over the network, with low attack complexity — no special timing or configuration is needed.

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

Reaching this weakness in WP Ultimate CSV Importer < 6.4.3 takes a caller who can reach the endpoint. Cross-site scripting happens when input from a request is written into a page without being escaped for the context it lands in, so the browser parses attacker-supplied text as markup or script.

Injected script runs with the privileges of whoever views the affected page, which is how these flaws turn into administrator session theft, silent account creation or persistent backdoors in page content. For WP Ultimate CSV Importer the fix is 6.4.3: builds < 6.4.3 are affected, anything from 6.4.3 onward is not.

Remediation

Update to version 6.4.3, or a newer patched version

How does WordSec protect against this?

The attempt arrives as an ordinary request to WP Ultimate CSV Importer: WordSec's web application firewall inspects request payloads before WordPress loads them. None of that substitutes for the fix: WP Ultimate CSV Importer 6.4.3 closes this, and updating the plugin is the step that ends it.

  • Firewall
  • Alerts

External References

Related records

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