Events Manager < 5.9.7.2 & Events Manager Pro < 2.6.7.2 - Unauthenticated CSV Injection

2020-02-06 00:00
Vishnupriya Ilango

Strategic Overview

Status
Patched in 5.9.7.2
Affected Plugin
Events Manager – Calendar, Bookings, Tickets, and more!
Affected Version
< 5.9.7.2
CVSS
7.1High
Weakness type
CWE-74 · Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')
CVE
CVE pending
View all Events Manager – Calendar, Bookings, Tickets, and more! vulnerabilities

At a glance

This record tracks a high-severity Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection') vulnerability in the Events Manager WordPress plugin, affecting versions < 5.9.7.2. It carries a CVSS score of 7.1 (reachable over the network; low attack complexity). Exploitation requires no authentication. The issue is fixed in version 5.9.7.2; sites on affected versions should update now. Disclosed February 2020, reported by Vishnupriya Ilango.

Vulnerability Overview

The Events Manager Pro, versions up to 2.6.7.2, and Events Manager, versions up to 5.9.7.2, plugins for WordPress are vulnerable to CSV Injection. This allows unauthenticated attackers to embed untrusted input into exported CSV files, which can result in code execution when these files are downloaded and opened on a local system with a vulnerable configuration.

Technical Analysis

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

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 5.9.7.2, or a newer patched version

How does WordSec protect against this?

Requests carrying this pattern arrive without a session, so nothing upstream of the firewall gets a chance to reject them: WordSec's web application firewall inspects request payloads before WordPress loads them. None of that substitutes for the fix: Events Manager 5.9.7.2 closes this, and updating the plugin is the step that ends it.

  • Firewall
  • Login Security
  • Alerts

External References

https://www.wordfence.com/threat-intel/vulnerabilities/id/74b81d31-8ee6-47cf-a5e8-3cf0900ebea0

Related records

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