CVE-2020-22277

Import and export users and customers <= 1.16.3.5 - CSV injection via a customer's profile

2020-11-20 00:00

Strategic Overview

Status: Patched in 1.16.3.6
Affected Plugin: Import and export users and customers
Affected Version: <= 1.16.3.5
CVSS: 7.3High
Weakness type: CWE-74 · Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')
CVE: CVE-2020-22277

View all Import and export users and customers vulnerabilities

At a glance

CVE-2020-22277 is a high-severity Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection') vulnerability in the Import and export users and customers WordPress plugin, affecting versions <= 1.16.3.5. It carries a CVSS score of 7.3 (low attack complexity; high confidentiality, integrity, availability impact). The issue is fixed in version 1.16.3.6; sites on affected versions should update now. Disclosed November 2020.

Vulnerability Overview

Import and export users and customers WordPress Plugin through 1.16.3.5 allows CSV injection via a customer's profile.

Technical Analysis

The vector marks this flaw as requiring local or adjacent access, with low attack complexity — no special timing or configuration is needed. A successful exploit has high impact on confidentiality, integrity, availability — full site compromise territory.

CWE-74: Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')

The product constructs all or part of a command, data structure, or record using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify how it is parsed or interpreted when it is sent to a downstream component.

Remediation

Update to version 1.16.3.6, or a newer patched version

How does WordSec protect against this?

The attempt arrives as an ordinary request to Import and export users and customers: WordSec's web application firewall inspects request payloads before WordPress loads them. None of that substitutes for the fix: Import and export users and customers 1.16.3.6 closes this, and updating the plugin is the step that ends it.

Firewall
Alerts

External References

https://www.cve.org/CVERecord?id=CVE-2020-22277 https://www.wordfence.com/threat-intel/vulnerabilities/id/1df6d436-c183-4ace-bd6c-1f22fbe7240f https://nvd.nist.gov/vuln/detail/CVE-2020-22277

Related records

Other vulnerabilities in Import and export users and customers

CVSS Vector

7.3

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

Base

Attack VectorLocal
Attack ComplexityLow
Privileges RequiredLow
User InteractionRequired
ScopeUnchanged
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh

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