CVE-2017-12131

Easy Testimonials <= 3.0.4 - Cross-Site Scripting

2017-07-31 00:00
ning1022

Strategic Overview

Status
Unpatched
Affected Plugin
Easy Testimonials
Affected Version
<= 3.0.4
CVSS
6.1Medium
Weakness type
CWE-79 · Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
CVE
CVE-2017-12131
View all Easy Testimonials vulnerabilities

At a glance

CVE-2017-12131 is a medium-severity Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in the Easy Testimonials WordPress plugin, affecting versions <= 3.0.4. It carries a CVSS score of 6.1 (reachable over the network; low attack complexity). Exploitation requires no authentication. No fixed release has been reported yet; treat installations running this software as exposed. Disclosed July 2017, reported by ning1022.

Vulnerability Overview

The Easy Testimonials plugin 3.0.4 for WordPress has XSS in include/settings/display.options.php, as demonstrated by the Default Testimonials Width, View More Testimonials Link, and Testimonial Excerpt Options screens.

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

Reaching this weakness in Easy Testimonials <= 3.0.4 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. No fixed build of this plugin is recorded for Easy Testimonials yet, so installs running <= 3.0.4 stay exposed until the vendor ships one.

Remediation

No known patch available. Please review the vulnerability's details in depth and employ mitigations based on your organization's risk tolerance. It may be best to uninstall the affected software and find a replacement.

How does WordSec protect against this?

The attempt arrives as an ordinary request to Easy Testimonials: WordSec's web application firewall inspects request payloads before WordPress loads them. No patched version is recorded yet, which is the case where a filtering layer matters most, because there is nothing to update to.

  • Firewall
  • Alerts

External References

Related records

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