CVE-2026-39559
Deferred Deferred - Pending Action
BaseFortify

Publication date: 2026-06-17

Last updated on: 2026-06-17

Assigner: Patchstack

Description
Unauthenticated Local File Inclusion in Uppercase < 1.2.2 versions.
CVSS Scores
EPSS Scores
Probability:
Percentile:
Meta Information
Published
2026-06-17
Last Modified
2026-06-17
Generated
2026-06-17
AI Q&A
2026-06-17
EPSS Evaluated
N/A
NVD
CVE-2026-39559
EUVD
EUVD-2026-37688
Affected Vendors & Products
Showing 1 associated CPE
Vendor Product Version / Range
patchstack uppercase to 1.2.2 (exc)
Helpful Resources
Exploitability
CWE
CWE Icon
KEV
KEV Icon
CWE ID Description
CWE-98 The PHP application receives input from an upstream component, but it does not restrict or incorrectly restricts the input before its usage in "require," "include," or similar functions.
Attack-Flow Graph
AI Quick Actions
Instant insights powered by AI
Executive Summary

CVE-2026-39559 is a Local File Inclusion (LFI) vulnerability found in versions of the WordPress Uppercase Theme prior to 1.2.2.

This vulnerability allows an unauthenticated attacker to include local files on the target website.

It is classified as a high-priority flaw with a CVSS score of 8.1 and falls under the OWASP Top 10 category A3: Injection.

Impact Analysis

Exploitation of this vulnerability can lead to exposure of sensitive data such as database credentials.

It can potentially result in full database compromise, severely impacting the security and integrity of the affected website.

Because the attacker does not need to be authenticated, the risk of exploitation is higher.

Mitigation Strategies

Users are advised to update the WordPress Uppercase Theme to version 1.2.2 or later to patch the Local File Inclusion vulnerability.

Alternatively, applying mitigations provided via Patchstack can help prevent attacks exploiting this flaw.

Compliance Impact

This vulnerability allows unauthenticated attackers to include local files on the target website, potentially exposing sensitive data such as database credentials and leading to full database compromise.

Exposure of sensitive data due to this vulnerability could lead to non-compliance with data protection regulations and standards like GDPR and HIPAA, which require safeguarding personal and sensitive information against unauthorized access.

Chat Assistant
Ask questions about this CVE
Hi! I’m here to help you understand CVE-2026-39559. Ask me anything about the vulnerability, its impact, or mitigation strategies.
0/70
EPSS Chart