CVE-2026-78566: CWE-98 Improper Control of Filename for Include/Require Statement in PHP Program ('PHP Remote File Inclusion') in Edge-Themes Shuffle
The Shuffle theme for WordPress is vulnerable to Local File Inclusion in all versions up to, and including, 1.8. This makes it possible for unauthenticated attackers to include and execute arbitrary files on the server, allowing the execution of any PHP code in those files. This can be used to bypass access controls, obtain sensitive data, or achieve code execution in cases where images and other “safe” file types can be uploaded and included.
AI Analysis
Technical Summary
CVE-2026-78566 is a Local File Inclusion vulnerability (CWE-98) in the Shuffle theme for WordPress by Edge-Themes. The flaw exists in all versions up to and including 1.8, enabling unauthenticated attackers to include arbitrary files on the server via improper control of filenames in include/require statements. This can lead to execution of arbitrary PHP code, bypassing access controls and exposing sensitive information. The CVSS 3.1 base score is 8.1, indicating high severity with network attack vector, high impact on confidentiality, integrity, and availability, and requiring no privileges or user interaction.
Potential Impact
Successful exploitation allows remote attackers to execute arbitrary PHP code on the server without authentication, potentially leading to full system compromise, data disclosure, and bypass of security controls. The vulnerability affects confidentiality, integrity, and availability of the affected system.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. No official fix or patch links are currently available. Until a patch is released, restrict access to the affected theme files and consider disabling or removing the Shuffle theme if possible to mitigate risk.
CVE-2026-78566: CWE-98 Improper Control of Filename for Include/Require Statement in PHP Program ('PHP Remote File Inclusion') in Edge-Themes Shuffle
Description
The Shuffle theme for WordPress is vulnerable to Local File Inclusion in all versions up to, and including, 1.8. This makes it possible for unauthenticated attackers to include and execute arbitrary files on the server, allowing the execution of any PHP code in those files. This can be used to bypass access controls, obtain sensitive data, or achieve code execution in cases where images and other “safe” file types can be uploaded and included.
CVSS v3.1
Score 8.1high
Affected software
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-78566 is a Local File Inclusion vulnerability (CWE-98) in the Shuffle theme for WordPress by Edge-Themes. The flaw exists in all versions up to and including 1.8, enabling unauthenticated attackers to include arbitrary files on the server via improper control of filenames in include/require statements. This can lead to execution of arbitrary PHP code, bypassing access controls and exposing sensitive information. The CVSS 3.1 base score is 8.1, indicating high severity with network attack vector, high impact on confidentiality, integrity, and availability, and requiring no privileges or user interaction.
Potential Impact
Successful exploitation allows remote attackers to execute arbitrary PHP code on the server without authentication, potentially leading to full system compromise, data disclosure, and bypass of security controls. The vulnerability affects confidentiality, integrity, and availability of the affected system.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. No official fix or patch links are currently available. Until a patch is released, restrict access to the affected theme files and consider disabling or removing the Shuffle theme if possible to mitigate risk.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- Wordfence
- Date Reserved
- 2026-08-24T20:18:41.733Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a8d57daacd9273b49ee4d2d
Added to database: 08/25/2026, 08:52:42 UTC
Last enriched: 08/25/2026, 09:07:13 UTC
Last updated: 08/25/2026, 11:02:22 UTC
Views: 6
Community Reviews
0 reviewsCrowdsource mitigation strategies, share intel context, and vote on the most helpful responses. Sign in to add your voice and help keep defenders ahead.
Want to contribute mitigation steps or threat intel context? Sign in or create an account to join the community discussion.
Actions
Updates to AI analysis require Pro Console access. Upgrade inside Console → Billing.
Need more coverage?
Upgrade to Pro Console for AI refresh and higher limits.
For incident response and remediation, OffSeq services can help resolve threats faster.
Latest Threats
Check if your credentials are on the dark web
Instant breach scanning across billions of leaked records. Free tier available.