PT-2026-36579 · WordPress · Ona Theme

Nguyen Truong · Published 2026-05-02 · Updated 2026-05-02 · CVE-2026-6812

Positive Technologies (AI Summary)

CVSS v3.1

4.4

Medium

Base vector

AV:N/AC:H/PR:H/UI:N/S:C/C:L/I:L/A:N

Name of the Vulnerable Software and Affected Versions Ona theme for WordPress versions prior to 1.27

Description Server-Side Request Forgery (SSRF) exists in the ona activate child theme() function. This allows authenticated attackers with administrator-level access or higher to initiate web requests to arbitrary locations from the web application, which can be used to query and modify information from internal services.

Recommendations Update to a version later than 1.26. As a temporary workaround, restrict access to the ona activate child theme() function.

Fix

SSRF

Weakness Enumeration

CWE-918

Related Identifiers

CVE-2026-6812

Affected Products

Ona Theme

References · 10

• https://nvd.nist.gov/vuln/detail/CVE-2026-6812 · Security Note
• https://twitter.com/infoflowcloud/status/2050489596413153614 · Twitter Post
• https://t.me/CVEtracker/52490 · Telegram Post
• https://wordfence.com/threat-intel/vulnerabilities/id/0acb365c-b5f2-4377-875b-69278a8ff96e?source=cve · Note
• https://plugins.trac.wordpress.org/browser/ona/trunk/inc/admin/theme-admin.php#L688 · Note
• https://twitter.com/CVEnew/status/2050488253682430070 · Twitter Post
• https://plugins.trac.wordpress.org/browser/ona/tags/1.23.2/inc/admin/theme-admin.php#L688 · Note
• https://twitter.com/VulmonFeeds/status/2050484265129853228 · Twitter Post
• https://plugins.trac.wordpress.org/browser/ona/tags/1.23.2/inc/admin/theme-admin.php#L694 · Note
• https://plugins.trac.wordpress.org/browser/ona/trunk/inc/admin/theme-admin.php#L694 · Note