CVE-2023-6811

Language Translate Widget for WordPress – ConveyThis <= 223 - Unauthenticated Stored Cross-Site Scripting via api_key

2024-04-10 00:00
Krzysztof Zając

Strategic Overview

Status
Patched in 224
Affected Plugin
Translate WordPress with ConveyThis – AI Multilingual Plugin
Affected Version
<= 223
CVSS
7.2High
Weakness type
CWE-79 · Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
CVE
CVE-2023-6811
View all Translate WordPress with ConveyThis – AI Multilingual Plugin vulnerabilities

At a glance

CVE-2023-6811 is a high-severity Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in the Translate WordPress with ConveyThis WordPress plugin, affecting versions <= 223. It carries a CVSS score of 7.2 (reachable over the network; low attack complexity). Exploitation requires no authentication. The issue is fixed in version 224; sites on affected versions should update now. Disclosed April 2024, reported by Krzysztof Zając.

Vulnerability Overview

The Language Translate Widget for WordPress – ConveyThis plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'api_key’ parameter in all versions up to, and including, 223 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

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, and no interaction from a victim user.

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

Translate WordPress with ConveyThis <= 223 carries this weakness at api_key, and reaching it takes no account at all. 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 ConveyThis the fix is 224: builds <= 223 are affected, anything from 224 onward is not.

Remediation

Update to version 224, 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: Translate WordPress with ConveyThis 224 closes this, and updating the plugin is the step that ends it.

  • Firewall
  • Login Security
  • Alerts

External References

https://www.cve.org/CVERecord?id=CVE-2023-6811https://www.wordfence.com/threat-intel/vulnerabilities/id/093af92e-bbc2-463a-8547-0e48fb356655https://nvd.nist.gov/vuln/detail/CVE-2023-6811

Related records

Vulnerability data © Defiant, Inc., provided under the Wordfence Intelligence T&C