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Palladio Theme CVE-2025-49368

HIGH
PHP Remote File Inclusion (CWE-98)
2025-12-18 audit@patchstack.com
8.1
CVSS 3.1 · Vendor: patchstack
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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata – not a confirmed exploit chain

  1. Access
    Identify site running Palladio theme ≤1.1.10
  2. Delivery
    Send crafted request with manipulated include parameter
  3. Exploit
    Trigger PHP local file inclusion
  4. Execution
    Include attacker-influenced or sensitive local file
  5. Impact
    Achieve information disclosure or code execution

Vulnerability Assessment

Weakness
CWE
OWASP Top 10:2025
A05:2025 - Injection
ASVS 5.0
V5 - File Handling File inclusion prevention, allowlisting
MITRE ATT&CK

2 techniques across 2 tactics: Initial Access, Command and Control

The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up.

Exploitation Conditions

Exploitation targets sites running the AncoraThemes Palladio WordPress theme at version 1.1.10 or earlier. Per the CVSS vector, no authentication (PR:N) and no user interaction (UI:N) are required, and the attack is network-reachable (AV:N). The limiting factor is the HIGH attack complexity (AC:H): reaching full impact typically requires a valid include path and, for code execution rather than mere file disclosure, an attacker-controllable local file (uploaded content, log, or session file) to be included. Realistic risk is further bounded by the theme's niche deployment footprint and the absence of any observed exploitation.

Impact

This is a CWE-98 PHP file-inclusion flaw (LFI) in the AncoraThemes 'Palladio' WordPress theme, versions up to and including 1.1.10. The provided CVSS 3.1 vector (AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H, score 8.1) indicates a network-reachable, unauthenticated vulnerability with full CIA impact but HIGH attack complexity, which is what pulls the score below 9.0. The AC:H is significant: Patchstack-class LFI issues frequently require a specific include path, parameter manipulation, or the presence of a poisonable/uploadable local file to escalate to code execution, meaning exploitation is not a trivial single request. No EPSS score, no CISA KEV listing, and no public POC are present in the supplied data, so there is 'no public exploit identified at time of analysis.' The tag set marks this as 'Information Disclosure,' which understates the vector - with I:H/A:H and CWE-98, this is a file-inclusion issue that can plausibly reach code execution if an attacker can control included file content, not merely read files. Net assessment: genuinely high-severity by impact, but real-world urgency is tempered by HIGH attack complexity, the niche theme footprint, and the complete absence of exploitation signals (no KEV, no EPSS, no POC).

Exploit ScenarioDerived

A remote unauthenticated attacker crafts a request to a theme endpoint that passes attacker-influenced input into a PHP include/require statement, causing a local file to be included and executed. If the attacker can also stage controllable content on the server (e.g., a log, upload, or session file), the local inclusion can be leveraged toward PHP code execution; otherwise it exposes sensitive local files. No public exploit code is identified in the available data.

This Week Schedule remediation this week. Why: HIGH severity (CVSS 7.0-8.9).
No patch listed yet 0.5% exploitation probability (EPSS)

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AnalysisAIv1 – Sep 30, 2026

Local file inclusion (LFI) in the AncoraThemes Palladio WordPress theme (versions ≤1.1.10) allows unauthenticated, network-based attackers to include local files on the server, potentially leading to information disclosure or, with additional conditions, remote code execution. The high attack complexity (AC:H) means exploitation requires a valid include path and an attacker-controllable local file; no public exploit code exists and exploitation has not been observed. The theme's niche deployment further limits real-world risk.

RemediationAI

No vendor-released patch has been identified in the available intelligence. Upgrade to the latest version of the Palladio theme if a patched release becomes available. If the theme is not essential, disable or remove it to eliminate exposure. As a workaround, restrict file uploads and ensure that no attacker-controllable files (e.g., uploaded content, logs, session files) are present in paths that could be included. Implement a web application firewall (WAF) to block directory traversal and file inclusion patterns; note that this may require tuning to avoid false positives. Monitor web server logs for suspicious requests containing file paths or null bytes. These mitigations may not fully prevent exploitation and could impact site functionality. Always test changes in a staging environment before applying to production.

Affected ProductsAI

AncoraThemes Palladio WordPress theme versions from n/a through 1.1.10 are affected. The theme is a commercial WordPress theme. No CPE data is available. For details, see the Patchstack advisory: https://patchstack.com/database/Wordpress/Theme/palladio/vulnerability/wordpress-palladio-theme-1-1-10-local-file-inclusion-vulnerability?_s_id=cve

Affects your stack

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Technical ContextAI · show details

This is a CWE-98 flaw: improper control of filename in include/require statements in PHP, leading to local file inclusion (LFI). The Palladio theme for WordPress fails to properly sanitize user-supplied input used in PHP include/require functions, allowing an attacker to include arbitrary local files. Despite the description mentioning 'remote file inclusion,' the vulnerability is actually LFI, as remote file inclusion is typically prevented by PHP configuration. The flaw is in the theme code, affecting versions up to 1.1.10. Exploitation requires the attacker to control a local file (e.g., via upload, log poisoning, or session files) to achieve code execution; otherwise, it results in information disclosure. The CVSS vector indicates high confidentiality, integrity, and availability impact if exploited successfully.

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Severity by source

Vendor (patchstack) PRIMARY 8.1 HIGH
AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
vuln.today AI 8.1 HIGH

Network-reachable unauthenticated LFI (AV:N/PR:N/UI:N); AC:H because reliable escalation needs a controllable/specific local include target; CWE-98 file inclusion supports full C/I/A impact.

3.1 AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
4.0 AV:N/AC:H/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

Primary rating from Vendor (patchstack).

CVSS VectorVendor: patchstack

Attack Vector
Network
Attack Complexity
High
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

DescriptionCVE.org

Improper Control of Filename for Include/Require Statement in PHP Program ('PHP Remote File Inclusion') vulnerability in AncoraThemes Palladio palladio allows PHP Local File Inclusion.This issue affects Palladio: from n/a through <= 1.1.10.

Executive ViewAI

Why It Matters

The AncoraThemes Palladio WordPress theme (versions 1.1.10 and earlier) contains a high-severity local file inclusion flaw that could let remote attackers access sensitive server files or, under specific conditions, execute code. Because the theme is niche and exploitation requires high complexity with no public exploit identified at time of analysis, the immediate organizational risk is concentrated among sites that actively use this theme. Leadership should care because unpatched web-facing components can expose customer data and undermine site integrity, even if exploitation is not currently observed.

Business Impact: Medium
Compensating Controls

No vendor-released patch identified at time of analysis. Interim mitigations include disabling or removing the AncoraThemes Palladio theme (versions ≤1.1.10) where possible, deploying WAF rules to block local file inclusion and path traversal attempts, restricting file permissions, isolating affected WordPress instances, and monitoring logs for exploitation attempts. Apply vendor patch when released.

Threat Intelligence Overview

EPSS Score
0.5%
Top 60% exploitable
Prevalence
Low
Niche commercial WordPress theme, limited per-site deployment footprint
Data Quality
3 sources
Confidence: Low

How this decision was reached

The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.

SignalValue
Severity HIGH
CISA KEV No
Public POC No
EPSS 0.5%
Patch available No
Active threat No
Deciding rule
HIGH severity (CVSS 7.0-8.9)
What every action level means
Emergency Immediate action required. Criteria: CRITICAL + in CISA KEV (actively exploited) without patch, OR CRITICAL + EPSS > 30% without patch, OR CRITICAL + active threat signals without patch.
Act Now Prioritize within 24-48h. Criteria: in KEV with patch available, OR CRITICAL + public POC, OR HIGH + EPSS > 10%, OR CRITICAL + active threat, OR any CRITICAL severity.
This Week Schedule remediation this week. Criteria: HIGH severity (CVSS 7.0-8.9). Patch within normal change window.
This Month Plan within 30 days. Criteria: MEDIUM severity (CVSS 4.0-6.9), lower exploitation probability. Include in regular patch cycle.
Monitor Track and reassess. Criteria: LOW severity (CVSS 0.1-3.9), minimal exploitation risk. No immediate action needed.

SSVC AssessmentENISA

SSVC Decision· derived
Scheduled
Exploitation· derived
None
System Exposure· derived
Open
Automatable· derived
No
Human Impact
Medium

Priority Score

40
Low Medium High Critical
KEV: 0
EPSS: 0
CVSS: +40
PoC: 0
Weaponized: 0
Threat intel: 0
Gov advisory: 0

Attack Technique

Local File Inclusion vulnerabilities occur when an application accepts user-controlled input to specify which file should be loaded or executed, typically through functions like PHP's `include()`, `require()`, or `fopen()`.

Information disclosure occurs when an application unintentionally exposes sensitive data that aids attackers in reconnaissance or directly compromises security.

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