Exploitation requires the site's or another CMB2 WordPress plugin before 2.13.0 to have declared an oEmbed field, as the CMB2 WordPress plugin before 2.13.0 registers none of its own. The stored value is never attacker-controlled, so the issue does not lead to privilege escalation.
Analysis
Analysis and contextual insights are available on OpenCVE Cloud.
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | ||||||
|---|---|---|---|---|---|---|---|---|---|
| Unknown | CMB2 | unaffected |
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No data.
No data.
No data available yet.
No vendor fix or workaround currently provided.
Additional remediation guidance may be available on OpenCVE Cloud.
Tracking
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Thu, 24 Sep 2026 06:15:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Description | The CMB2 WordPress plugin before 2.13.0 does not perform any capability check on one of its AJAX actions, allowing users with a role as low as Subscriber to create arbitrary WordPress options and corrupt existing ones, which can break core site settings and take the site offline. Exploitation requires the site's or another CMB2 WordPress plugin before 2.13.0 to have declared an oEmbed field, as the CMB2 WordPress plugin before 2.13.0 registers none of its own. The stored value is never attacker-controlled, so the issue does not lead to privilege escalation. | |
| Title | CMB2 < 2.13.0 - Subscriber+ Arbitrary Option Corruption via oEmbed Handler | |
| References |
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Subscriptions
No data.
MITRE
Status: PUBLISHED
Assigner: WPScan
Published:
Updated: 2026-09-24T06:00:16.288Z
Reserved: 2026-08-26T09:02:21.818Z
Link: CVE-2026-80338
Vulnrichment
No data.
NVD
Status : Received
Published: 2026-09-24T06:17:01.317
Modified: 2026-09-24T06:17:01.317
Link: CVE-2026-80338
Redhat
No data.
OpenCVE Enrichment
No data.
No weakness.