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CVE-2026-10779

4.3 · MEDIUM

The Classified Listing – Classified ads & Business Directory plugin for WordPress is vulnerable to Missing Authorization in all versions up to, and including, 5.4.2.

Published Jun 19, 2026CWE-862EPSS 0.37%

Overview

CVE-2026-10779 is a medium-severity vulnerability. It was published on June 19, 2026 and has a CVSS 3.1 base score of 4.3 (MEDIUM).

This vulnerability has a CVSS 3.1 base score of 4.3, rated MEDIUM. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

Technical description

The Classified Listing – Classified ads & Business Directory plugin for WordPress is vulnerable to Missing Authorization in all versions up to, and including, 5.4.2. This is due to a missing capability/ownership check on the gallery_image_update_as_feature AJAX handler (action: rtcl_fb_gallery_image_update_as_feature), which accepts a user-supplied listing ID and attachment ID and sets the featured image of a listing while only validating a nonce that is exposed to any logged-in user on the frontend listing-submission form. This makes it possible for authenticated attackers, with Subscriber-level access and above, to change the featured image of arbitrary listings they do not own.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

Refplugins.trac.wordpress.org/browser/classified-listing/tags/5.3.8/app/Controllers/Ajax/FormBuilderAjax.php#L590Refplugins.trac.wordpress.org/browser/classified-listing/tags/5.3.8/app/Controllers/Ajax/FormBuilderAjax.php#L605Refplugins.trac.wordpress.org/browser/classified-listing/tags/5.3.8/app/Controllers/Ajax/FormBuilderAjax.php#L617Refplugins.trac.wordpress.org/browser/classified-listing/tags/5.4.2/app/Controllers/Ajax/FormBuilderAjax.php#L590Refplugins.trac.wordpress.org/browser/classified-listing/tags/5.4.2/app/Controllers/Ajax/FormBuilderAjax.php#L605Refplugins.trac.wordpress.org/browser/classified-listing/tags/5.4.2/app/Controllers/Ajax/FormBuilderAjax.php#L617Refplugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&old=3571741%40classified-listing&new=3571741%40classified-listing&sfp_email=&sfph_mail=Refwww.wordfence.com/threat-intel/vulnerabilities/id/5f7660ba-c3be-44f0-91cb-809d0021759a?source=cve

How CyberStrike helps

Frequently asked questions

What is CVE-2026-10779?

CVE-2026-10779 is a medium-severity vulnerability. It was published on June 19, 2026 and has a CVSS 3.1 base score of 4.3 (MEDIUM).

How severe is CVE-2026-10779?

This vulnerability has a CVSS 3.1 base score of 4.3, rated MEDIUM. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2026-10779?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2026-10779?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2026-10779 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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