CVE-2021-34630

GTranslate Pro and GTranslate Enterprise <= 2.8.64 - Reflected Cross-Site Scripting

2021-07-23 15:18
Anonymous

Strategic Overview

Status
Patched in 2.8.65
Affected Version
< 2.8.65
CVSS
5.8Medium
Weakness type
CWE-79 · Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
CVE
CVE-2021-34630
View all Translate WordPress with GTranslate vulnerabilities

At a glance

CVE-2021-34630 is a medium-severity Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in the Translate WordPress with GTranslate WordPress plugin, affecting versions < 2.8.65. It carries a CVSS score of 5.8 (reachable over the network). Exploitation requires no authentication. The issue is fixed in version 2.8.65; sites on affected versions should update now. Disclosed July 2021.

Vulnerability Overview

In the Pro and Enterprise versions of GTranslate < 2.8.65, the gtranslate_request_uri_var function runs at the top of all pages and echoes out the contents of $_SERVER['REQUEST_URI']. Although this uses addslashes, and most modern browsers automatically URLencode requests, this plugin is still vulnerable to Reflected XSS in older browsers such as Internet Explorer 9 or below, or in cases where an attacker is able to modify the request en route between the client and the server, or in cases where the user is using an atypical browsing solution.

Technical Analysis

The vector marks this flaw as remotely reachable over the network, and no privileges on the target site.

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

Translate WordPress with GTranslate < 2.8.65 carries this weakness at REQUEST_URI, 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. For Translate WordPress with GTranslate the fix is 2.8.65: builds < 2.8.65 are affected, anything from 2.8.65 onward is not.

Remediation

Update to version 2.8.65, or a newer patched version

How does WordSec protect against this?

The attempt arrives as an ordinary request to Translate WordPress with GTranslate: WordSec's web application firewall inspects request payloads before WordPress loads them. None of that substitutes for the fix: Translate WordPress with GTranslate 2.8.65 closes this, and updating the plugin is the step that ends it.

  • Firewall
  • Alerts

External References

Related records

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