CVE-2026-22495
Published: 25 March 2026
Summary
CVE-2026-22495 is a high-severity PHP Remote File Inclusion (CWE-98) vulnerability. Its CVSS base score is 8.1 (High).
Operationally, exploitation aligns with the MITRE ATT&CK technique Exploit Public-Facing Application (T1190); ranked at the 39.1th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.
The strongest mitigations our analysis identified are NIST 800-53 SI-10 (Information Input Validation) and SI-2 (Flaw Remediation).
Deeper analysis
CVE-2026-22495 is an Improper Control of Filename for Include/Require Statement in PHP Program vulnerability, classified as a PHP Remote File Inclusion issue that enables PHP Local File Inclusion (LFI). It affects the Greenville WordPress theme developed by AncoraThemes, impacting all versions from n/a through 1.3.2.
Unauthenticated remote attackers (AV:N, PR:N, UI:N) can exploit this vulnerability over the network, though it requires high attack complexity (AC:H). Successful exploitation leads to high impacts on confidentiality, integrity, and availability (C:H/I:H/A:H), with an overall CVSS v3.1 base score of 8.1, potentially allowing attackers to include and execute local files on the server.
The Patchstack advisory at https://patchstack.com/database/Wordpress/Theme/greenville/vulnerability/wordpress-greenville-theme-1-3-2-local-file-inclusion-vulnerability?_s_id=cve documents this LFI vulnerability specifically in Greenville theme version 1.3.2.
OWASP Top 10 for Web (2025)
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2026-15499
Vulnerability details
Improper Control of Filename for Include/Require Statement in PHP Program ('PHP Remote File Inclusion') vulnerability in AncoraThemes Greenville greenville allows PHP Local File Inclusion.This issue affects Greenville: from n/a through <= 1.3.2.
- CWE(s)
Related Threats
MITRE ATT&CK Enterprise TechniquesAI
Why these techniques?
Vulnerability enables remote exploitation of public-facing WordPress application (T1190) via LFI, facilitating collection of data from local system files (T1005) including unsecured credentials in configuration files (T1552.001).
CVEs Like This One
Affected Assets
Mitigating Controls
Mitigating Controls (NIST 800-53 r5) AI
Directly mitigates the LFI vulnerability by requiring timely patching or updating of the vulnerable Greenville WordPress theme to versions beyond 1.3.2.
Requires validation of filenames passed to PHP include/require statements, preventing attackers from supplying malicious paths for local file inclusion.
Enforces restrictive configuration settings in PHP, such as open_basedir restrictions, to limit the scope of file access even if flawed include logic is exploited.