Key points
- The vulnerability is identified as CVE-2026-111413 with a CVSS score of 8.8.
- It affects the aThemeArt Theme Helper plugin in versions from its initial release through 1.0.8.
- The flaw allows for Cross-Site Request Forgery attacks, classified under CWE-352.
The aThemeArt Theme Helper plugin contains a security flaw that the National Vulnerability Database rates as high severity. This issue, tracked as CVE-2026-111413, carries a CVSS score of 8.8. The vulnerability exists in all versions of the plugin up to and including version 1.0.8. Users running these versions are exposed to potential exploitation until a remediation is applied.
In plain English
Cross-Site Request Forgery, or CSRF, is a type of attack that tricks a user into performing actions they did not intend. In this case, the flaw in the aThemeArt Theme Helper allows attackers to forge requests. This means malicious actors could potentially manipulate the plugin on behalf of logged-in users. The weakness is categorized under CWE-352, which specifically addresses CSRF vulnerabilities.
The background
The National Vulnerability Database record details the scope of this security issue. It confirms that the problem lies within the aThemeArt Theme Helper plugin developed by aThemeArt. The record specifies that the vulnerability is present from the earliest available version through version 1.0.8. No information regarding versions beyond 1.0.8 is provided in the source material, leaving their status unclear.
What changes now
Site administrators must verify which version of the aThemeArt Theme Helper is currently installed. If the version is 1.0.8 or lower, the system is vulnerable. There is currently no indication in the source material that a patch or updated version has been released to fix this specific CVE. Until an official update is confirmed by the vendor, users remain at risk.
Who needs to act first
Teams should prioritize systems that are publicly accessible and handle sensitive user data. Check whether the plugin is active on any production environments immediately. If a fix is not yet available, consider disabling the plugin temporarily if it is not critical for daily operations. Back up all configuration files before making any changes to the site structure. Monitor logs for unusual activity that might indicate an attempt to exploit this known weakness.
Background: Cross-site request forgery (CSRF)
Cross-site request forgery tricks users into executing unwanted actions on trusted sites. Protect your business by enforcing same-site cookies and validating request origins. Verify that your web applications use anti-forgery tokens and restrict sensitive operations to secure contexts.
Read the full guide: CSRF Risks and Protection: Secure Your Business Web Apps
What to do and how to stay safe: aThemeArt
- Audit your website to confirm if the aThemeArt Theme Helper plugin is installed.
- Check the version number to see if it is 1.0.8 or an earlier release.
- Monitor the vendor's official channels for a security update addressing CVE-2026-111413.
- Restrict administrative access to trusted networks to reduce the risk of CSRF attacks.
Step-by-step guide: Out-of-Band Patches: Meaning, Risks, and Deployment Reality
General security guidance from the Patch Herald newsroom. It is not confirmed advice from the organisations named in this story.
Frequently asked questions
What is the severity of CVE-2026-111413?
The National Vulnerability Database rates this vulnerability as high severity with a CVSS score of 8.8.
Which versions of aThemeArt Theme Helper are affected?
The issue affects versions from the initial release through version 1.0.8.
Is there a patch available for this vulnerability?
The source material does not confirm the availability of a patch or fix for this issue.
