CVE-2026-1537

5.3 MEDIUM

📋 TL;DR

This vulnerability in the LatePoint WordPress plugin allows unauthenticated attackers to access sensitive booking data without proper authorization. It affects all WordPress sites using LatePoint versions up to 5.2.6. The missing capability check in the load_step() function exposes customer PII and appointment details.

💻 Affected Systems

Products:
  • LatePoint – Calendar Booking Plugin for Appointments and Events for WordPress
Versions: All versions up to and including 5.2.6
Operating Systems: All operating systems running WordPress
Default Config Vulnerable: ⚠️ Yes
Notes: Any WordPress installation with LatePoint plugin enabled is vulnerable regardless of configuration.

⚠️ Manual Verification Required

This CVE does not have specific version information in our database, so automatic vulnerability detection cannot determine if your system is affected.

Why? The CVE database entry doesn't specify which versions are vulnerable (no version ranges provided by the vendor/NVD).

🔒 Custom verification scripts are available for registered users. Sign up free to download automated test scripts.

Recommended Actions:
  1. Review the CVE details at NVD
  2. Check vendor security advisories for your specific version
  3. Test if the vulnerability is exploitable in your environment
  4. Consider updating to the latest version as a precaution

⚠️ Risk & Real-World Impact

🔴

Worst Case

Mass data exfiltration of all booking records containing PII (names, emails, phone numbers) and appointment details, potentially leading to identity theft, phishing campaigns, or service disruption.

🟠

Likely Case

Unauthorized viewing of booking information, compromising customer privacy and violating data protection regulations like GDPR.

🟢

If Mitigated

Limited exposure if plugin is behind authentication or network restrictions, but core vulnerability remains.

🌐 Internet-Facing: HIGH
🏢 Internal Only: MEDIUM

🎯 Exploit Status

Public PoC: ✅ No
Weaponized: LIKELY
Unauthenticated Exploit: ⚠️ Yes
Complexity: LOW

The vulnerability requires no authentication and minimal technical skill to exploit via crafted HTTP requests.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: 5.2.7 or later

Vendor Advisory: https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&new=3200000%40latepoint%2F5.2.7&old=3199999%40latepoint%2F5.2.6

Restart Required: No

Instructions:

1. Log into WordPress admin panel. 2. Navigate to Plugins → Installed Plugins. 3. Find LatePoint plugin and click 'Update Now'. 4. Verify version is 5.2.7 or higher.

🔧 Temporary Workarounds

Disable LatePoint Plugin

all

Temporarily deactivate the plugin to prevent exploitation while planning update.

wp plugin deactivate latepoint

Web Application Firewall Rule

all

Block access to vulnerable endpoint patterns.

Add WAF rule to block requests containing 'load_step' parameter to LatePoint endpoints

🧯 If You Can't Patch

  • Disable the LatePoint plugin immediately
  • Implement network-level restrictions to block external access to WordPress admin paths

🔍 How to Verify

Check if Vulnerable:

Check WordPress admin → Plugins → LatePoint → Version number. If version is 5.2.6 or lower, system is vulnerable.

Check Version:

wp plugin get latepoint --field=version

Verify Fix Applied:

Confirm LatePoint version is 5.2.7 or higher in WordPress plugins page.

📡 Detection & Monitoring

Log Indicators:

  • HTTP requests to /wp-admin/admin-ajax.php with 'action' parameter containing 'latepoint' and 'load_step'

Network Indicators:

  • Unusual spikes in requests to WordPress admin-ajax.php from unauthenticated sources

SIEM Query:

source="web_logs" AND uri="/wp-admin/admin-ajax.php" AND query="*load_step*" AND user_agent!="*bot*"

🔗 References

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