CVE-2023-6158: eventon Auth Bypass — Fix

Description

The EventON - WordPress Virtual Event Calendar Plugin plugin for WordPress is vulnerable to unauthorized modification of data and loss of data due to a missing capability check on the evo_eventpost_update_meta function in all versions up to, and including, 4.5.4 (for Pro) and 2.2.7 (for free). This makes it possible for unauthenticated attackers to update and remove arbitrary post metadata. Note that certain parameters may allow for content injection. CVE-2024-0238 appears to be a duplicate of this issue.

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CVSS v3.1 Score

6.5

MEDIUM

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

Weakness Type (CWE)

CWE-862 Missing Authorization

Affected Products

Vendor	Product	Versions
myeventon	eventon	< 4.5.4
myeventon	eventon-lite	< 2.2.7

References

Advisories & Patches

https://plugins.trac.wordpress.org/changeset/3017578/eventon-lite/trunk/includes/admin/class-admin-ajax.php https://plugins.trac.wordpress.org/changeset/3017578/eventon-lite/trunk/includes/admin/class-admin-ajax.php

Other References

https://docs.myeventon.com/documentations/eventon-changelog/ https://www.wordfence.com/threat-intel/vulnerabilities/id/19f94c4f-145b-4058-aabd-06525fce3cea?source=cve https://docs.myeventon.com/documentations/eventon-changelog/ https://www.wordfence.com/threat-intel/vulnerabilities/id/19f94c4f-145b-4058-aabd-06525fce3cea?source=cve

Frequently Asked Questions

What is CVE-2023-6158? +

The EventON - WordPress Virtual Event Calendar Plugin plugin for WordPress is vulnerable to unauthorized modification of data and loss of data due to a missing capability check on the evo_eventpost_update_meta function in all versions up to, and including, 4.5.4 (for Pro) and 2.2.7 (for free). This makes it possible for unauthenticated attackers to update and remove arbitrary post metadata. Note that certain parameters may allow for content injection. CVE-2024-0238 appears to be a duplicate of this issue. It has a CVSS v3.1 base score of 6.5 (MEDIUM).

How severe is CVE-2023-6158? +

CVE-2023-6158 has a CVSS v3.1 score of 6.5 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance.

What products are affected by CVE-2023-6158? +

CVE-2023-6158 affects products from myeventon, specifically: eventon, eventon-lite. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2023-6158? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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