WordPress security changelog
HIGH CVE-2024-6522 Analyzed

Modern Events Calendar: Server-side request forgery

Modern Events Calendar is affected by server-side request forgery. Exploitation requires at least subscriber-level access. The vulnerable server can be induced to make attacker-selected network requests.

CVE / CNA score 8.5 CVSS 3.1 · security@wordfence.com
NVD score 9.6 CVSS 3.1 · nvd@nist.gov
Component
Modern Events Calendar
Plugin slug
modern-events-calendar-lite
Affected
See vendor advisory
Safe version
See mitigation notes
Published
Aug 07, 2024
Weakness
CWE-918 — Server-Side Request Forgery (SSRF)

This CVE was published Aug 07, 2024 and is one of 17 known issues for this plugin.

Update, patch or deactivate.

Update Modern Events Calendar to a release outside the affected range, or disable and remove it until a fixed version is available.

No confirmed safe version is listed. Consider a vendor-supported patch or temporarily restricting the affected functionality while you assess the risk.

Deactivate only when warranted by your risk profile, or when advised by your hosting provider in the limited circumstances where the vulnerability cannot otherwise be mitigated. If you’re unsure which action is appropriate, contact Fused or your hosting provider for guidance.

Technical description

The Modern Events Calendar plugin for WordPress is vulnerable to Server-Side Request Forgery in all versions up to, and including, 7.12.1 via the 'mec_fes_form' AJAX function. This makes it possible for authenticated attackers, with Subscriber-level access and above, to make web requests to arbitrary locations originating from the web application and can be used to query and modify information from internal services.

CVE / CNA vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:L/A:N

NVD vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:N

Primary and upstream sources