CVE-2022-1576

WP Maintenance Mode & Coming Soon <= 2.4.4 - Cross-Site Request Forgery

2022-06-20 00:00
Daniel Ruf

Strategic Overview

Status
Patched in 2.4.5
Affected Plugin
LightStart – Maintenance Mode, Coming Soon and Landing Page Builder
Affected Version
<= 2.4.4
CVSS
8.8High
Weakness type
CWE-352 · Cross-Site Request Forgery (CSRF)
CVE
CVE-2022-1576
View all LightStart – Maintenance Mode, Coming Soon and Landing Page Builder vulnerabilities

At a glance

CVE-2022-1576 is a high-severity Cross-Site Request Forgery (CSRF) vulnerability in the LightStart WordPress plugin, affecting versions <= 2.4.4. It carries a CVSS score of 8.8 (reachable over the network; low attack complexity; high confidentiality, integrity, availability impact). Exploitation requires no authentication. The issue is fixed in version 2.4.5; sites on affected versions should update now. Disclosed June 2022, reported by Daniel Ruf.

Vulnerability Overview

The WP Maintenance Mode & Coming Soon plugin for WordPress is vulnerable to Cross-Site Request Forgery in versions up to, and including, 2.4.4. This is due to missing nonce validation on the reset_plugin_settings, subscribers_empty_list, dismiss_notices, subscribers_export, add_subscriber, & send_contact functions. This makes it possible for unauthenticated attackers to perform a variety of actions such as emptying the subscribers list and resetting the plugin's settings via a forged request granted they can trick a site administrator into performing an action such as clicking on a link.

Technical Analysis

The vector marks this flaw as remotely reachable over the network, with low attack complexity — no special timing or configuration is needed, and no privileges on the target site. A successful exploit has high impact on confidentiality, integrity, availability — full site compromise territory.

CWE-352: Cross-Site Request Forgery (CSRF)

Reaching this weakness in LightStart <= 2.4.4 takes a caller who can reach the endpoint. Cross-site request forgery abuses the fact that browsers attach a victim's cookies to any request, so a state-changing action that only checks who you are, not whether you meant to act, can be triggered from another site.

An attacker who gets a logged-in user to load a crafted page can perform that action as them, with the impact scaling to whatever the victim's role is allowed to do. For LightStart the fix is 2.4.5: builds <= 2.4.4 are affected, anything from 2.4.5 onward is not.

Remediation

Update to version 2.4.5, or a newer patched version

How does WordSec protect against this?

The attempt arrives as an ordinary request to LightStart: WordSec's web application firewall inspects request payloads before WordPress loads them. None of that substitutes for the fix: LightStart 2.4.5 closes this, and updating the plugin is the step that ends it.

  • Firewall
  • Alerts

External References

https://www.cve.org/CVERecord?id=CVE-2022-1576https://www.wordfence.com/threat-intel/vulnerabilities/id/840e9a50-ce53-4b9a-b6ae-c5016e11373bhttps://nvd.nist.gov/vuln/detail/CVE-2022-1576

Related records

Vulnerability data © Defiant, Inc., provided under the Wordfence Intelligence T&C