CVE-2023-1868

YourChannel <= 1.2.3 - Missing Authorization to Plugin Cache Reset

2023-04-05 00:00

Strategic Overview

Status: Patched in 1.2.4
Affected Plugin: YourChannel: Everything you want in a YouTube plugin.
Affected Version: <= 1.2.3
CVSS: 6.5Medium
Weakness type: CWE-862 · Missing Authorization
CVE: CVE-2023-1868

View all YourChannel: Everything you want in a YouTube plugin. vulnerabilities

At a glance

CVE-2023-1868 is a medium-severity Missing Authorization vulnerability in the YourChannel WordPress plugin, affecting versions <= 1.2.3. It carries a CVSS score of 6.5 (reachable over the network; low attack complexity). Exploitation requires no authentication. The issue is fixed in version 1.2.4; sites on affected versions should update now. Disclosed April 2023, reported by Marco Wotschka.

Vulnerability Overview

The YourChannel plugin for WordPress is vulnerable to unauthorized loss of data due to a missing capability check when clearing the plugin cache via the yrc_clear_cache GET parameter in versions up to, and including, 1.2.3. This makes it possible for unauthenticated attackers to clear the plugin's cache.

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, and no interaction from a victim user.

CWE-862: Missing Authorization

Reaching this weakness in YourChannel <= 1.2.3 takes a caller who can reach the endpoint. A missing authorization check means a function is reachable by anyone who can reach the endpoint, because the code never asks whether the caller is allowed to perform the action.

Any user who can reach the endpoint gets to run an action reserved for higher-privileged roles, from reading protected data to changing settings or content. For YourChannel the fix is 1.2.4: builds <= 1.2.3 are affected, anything from 1.2.4 onward is not.

Remediation

Update to version 1.2.4, or a newer patched version

How does WordSec protect against this?

Because it turns on account access, WordSec's login security is the relevant layer: role-based two-factor, captcha and brute-force limits raise the cost of getting the account this needs. None of that substitutes for the fix: YourChannel 1.2.4 closes this, and updating the plugin is the step that ends it.

Login Security
Alerts

External References

https://www.cve.org/CVERecord?id=CVE-2023-1868 https://www.wordfence.com/threat-intel/vulnerabilities/id/541d202b-f3ed-44d8-93a6-e158209db885 https://nvd.nist.gov/vuln/detail/CVE-2023-1868

Related records

Same weakness class

Other vulnerabilities in YourChannel: Everything you want in a YouTube plugin.

CVSS Vector

6.5

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

Base

Attack VectorNetwork
Attack ComplexityLow
Privileges RequiredNone
User InteractionNone
ScopeUnchanged
ConfidentialityNone
IntegrityLow
AvailabilityLow

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