CVE-2018-11568

Gameplan - Event and Gym Fitness WordPress Theme <= 1.6.4 - Reflected Cross-Site Scripting

2017-08-04 00:00
Kushal Jaisingh

Strategic Overview

Status
Unpatched
Affected Version
<= 1.6.4
CVSS
6.1Medium
Weakness type
CWE-79 · Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
CVE
CVE-2018-11568
View all Gameplan - Event and Gym Fitness WordPress Theme vulnerabilities

At a glance

CVE-2018-11568 is a medium-severity Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in the Gameplan - Event and Gym Fitness WordPress Theme WordPress theme, affecting versions <= 1.6.4. 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 August 2017, reported by Kushal Jaisingh.

Vulnerability Overview

Reflected XSS is possible in the GamePlan theme through 1.6.4 for WordPress because of insufficient input sanitization, as demonstrated by the s parameter. In some (but not all) cases, the '<' and '>' characters have < and > representations.

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')

Gameplan - Event and Gym Fitness WordPress Theme <= 1.6.4 carries this weakness at and, and reaching it 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 theme is recorded for Gameplan - Event and Gym Fitness WordPress Theme yet, so installs running <= 1.6.4 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 Gameplan - Event and Gym Fitness WordPress Theme: 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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