high CVSS 7.5 EPSS 0.42%

CVE-2025-39584·PHP vulnerability

Improper Control of Filename for Include/Require Statement in PHP Program ('PHP Remote File Inclusion') vulnerability in Arraytics Eventin wp-event-solution allows PHP Local File Inclusion.This issue affects Eventin: from n/a through <= 4.0.25.

Severity
high
Software
PHP
Fixed in
4.0.26
Published

How likely is exploitation

FIRST's Exploit Prediction Scoring System puts the probability of this CVE being exploited in the next 30 days at 0.42% — higher than 62% of all published CVEs. EPSS is an independent forecast of exploitation, not a severity rating: it says nothing about how much damage a successful attack does, which is what a CVSS score measures.

Read the two together. CVE-2025-39584 scores 7.5 on CVSS, so a successful attack would be serious — but at 0.42%, almost nobody is currently attempting it. That is a different situation from a flaw under mass exploitation, and it is usually the difference between patching on your next maintenance window and patching tonight.

Affected versions

Until: 4.0.26

Fixed in: 4.0.26

How to fix this CVE

The Eventin WordPress plugin versions up to 4.0.25 contain a local file inclusion vulnerability that could allow authenticated users to read arbitrary files from the server. Immediately update the Eventin plugin to version 4.0.26 or later through the WordPress plugin dashboard or via command line. Ensure PHP itself is also patched and review file permissions on your WordPress installation to restrict unnecessary read access.

sudo dnf update php php-common php-cli php-fpm

Defensia detects this vulnerability

What an exploitation attempt looks like

Sample log line indicative of exploitation attempts:

POST|GET requests to wp-content/plugins/wp-event-solution/ with parameters containing file path traversal sequences (../, ../../) or absolute paths (/etc/passwd, /proc/self/environ) in include/require related function parameters

WAF mitigation (if patching is not yet possible)

Add this rule to your WAF to block exploitation attempts while you schedule the patch. 

Implement WAF rules to block requests to the Eventin plugin containing path traversal patterns (../), null bytes (%00), and suspicious file paths targeting /etc/ or /proc/ directories. Whitelist only legitimate plugin endpoints and enforce strict input validation on all plugin parameters.

How to check if you are affected

  1. Check PHP version: php -v and verify your installation is current
  2. List installed WordPress plugins: wp plugin list --path=/var/www/html/wordpress (or your WordPress root) and search for 'eventin' to confirm the plugin is installed
  3. Verify Eventin version: grep -r "Version:" /path/to/wordpress/wp-content/plugins/wp-event-solution/wp-event-solution.php | head -1
  4. After updating, re-run php -v and wp plugin list to confirm Eventin is now at version 4.0.26 or higher

FAQ

What is CVE-2025-39584?

CVE-2025-39584 is a local file inclusion vulnerability in the Eventin WordPress plugin that allows authenticated users to bypass file inclusion restrictions and read sensitive files from the server filesystem through improper handling of PHP include/require statements.

Is CVE-2025-39584 being actively exploited?

No, this vulnerability is not currently listed on the CISA Known Exploited Vulnerabilities catalog and no public exploits have been released as of the advisory date.

What versions of PHP are affected by CVE-2025-39584?

This vulnerability affects the Eventin WordPress plugin versions up to and including 4.0.25; it is not a PHP core vulnerability but rather a flaw in the plugin code running on PHP.

How do I check if my server is vulnerable to CVE-2025-39584?

Run: wp plugin list --path=/var/www/html/wordpress | grep eventin to identify if Eventin is installed, then check its version number to confirm whether it is 4.0.25 or earlier.

Does Defensia detect CVE-2025-39584?

Yes — Defensia's CVE advisory scanner compares installed package versions against the NVD database. If the Eventin plugin is detected on a monitored WordPress site, CVE-2025-39584 will appear in your dashboard with remediation steps.

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References

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