CVE-2023-36690

WPLMS < 4.900 - Cross-Site Request Forgery

2023-07-05 00:00

Strategic Overview

Status: Patched in 4.900
Affected Theme: WPLMS Learning Management System for WordPress, WordPress LMS
Affected Version: < 4.900
CVSS: 6.3Medium
Weakness type: CWE-352 · Cross-Site Request Forgery (CSRF)
CVE: CVE-2023-36690

View all WPLMS Learning Management System for WordPress, WordPress LMS vulnerabilities

At a glance

CVE-2023-36690 is a medium-severity Cross-Site Request Forgery (CSRF) vulnerability in the WPLMS Learning Management System for WordPress, WordPress LMS WordPress theme, affecting versions < 4.900. It carries a CVSS score of 6.3 (reachable over the network; low attack complexity). Exploitation requires no authentication. The issue is fixed in version 4.900; sites on affected versions should update now. Disclosed July 2023, reported by Dave Jong.

Vulnerability Overview

The WPLMS theme for WordPress is vulnerable to Cross-Site Request Forgery in versions up to 4.900. This is due to missing or incorrect nonce validation on one of its functions. This makes it possible for unauthenticated attackers to invoke this function 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.

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

Reaching this weakness in WPLMS Learning Management System for WordPress, WordPress LMS < 4.900 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 WPLMS Learning Management System for WordPress, WordPress LMS the fix is 4.900: builds < 4.900 are affected, anything from 4.900 onward is not.

Remediation

Update to version 4.900, or a newer patched version

How does WordSec protect against this?

The attempt arrives as an ordinary request to WPLMS Learning Management System for WordPress, WordPress LMS: WordSec's web application firewall inspects request payloads before WordPress loads them. None of that substitutes for the fix: WPLMS Learning Management System for WordPress, WordPress LMS 4.900 closes this, and updating the theme is the step that ends it.

Firewall
Alerts

External References

https://www.cve.org/CVERecord?id=CVE-2023-36690 https://www.wordfence.com/threat-intel/vulnerabilities/id/9071acdf-8d40-4e8b-8d1f-be2cabf3d66e https://nvd.nist.gov/vuln/detail/CVE-2023-36690

Related records

Other vulnerabilities in WPLMS Learning Management System for WordPress, WordPress LMS

CVSS Vector

6.3

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L

Base

Attack VectorNetwork
Attack ComplexityLow
Privileges RequiredNone
User InteractionRequired
ScopeUnchanged
ConfidentialityLow
IntegrityLow
AvailabilityLow

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