EUVD-2026-76196
GHSA-3vvr-qr87-4f7q
Severity by source
AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Network-reachable WordPress endpoint; subscriber account required (PR:L); successful privilege escalation yields full administrative control of site, supporting C:H/I:H/A:H.
Primary rating from Vendor (Patchstack).
CVSS VectorVendor: Patchstack
Lifecycle Timeline
2DescriptionCVE.org
Subscriber Privilege Escalation in Gato GraphQL <= 19.2.3 versions.
AnalysisAI
Privilege escalation in the Gato GraphQL WordPress plugin (versions ≤ 19.2.3) allows authenticated subscribers - the lowest registered-user role in WordPress - to elevate their access beyond their assigned privileges. The root cause is CWE-266 (Incorrect Privilege Assignment), where the plugin's GraphQL endpoint handling fails to properly gate privileged operations against low-privilege requestors. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Exploitation requires the target WordPress site to have the Gato GraphQL plugin installed and active at version 19.2.3 or earlier. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The CVSS 3.1 base score of 8.8 (High) reflects a network-reachable attack requiring only a low-privilege subscriber account (PR:L, AV:N, AC:L, UI:N) with full CIA impact. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in. |
| Exploit Scenario | Full exploit scenario with step-by-step reproduction available after sign-in. |
| Remediation | Upgrade the Gato GraphQL plugin beyond version 19.2.3 immediately; consult the Patchstack advisory at https://patchstack.com/database/wordpress/plugin/gatographql/vulnerability/wordpress-gato-graphql-plugin-19-2-3-privilege-escalation-vulnerability for the exact patched release version, which is not explicitly stated in the source data. … Detailed patch versions, workarounds, and compensating controls in full report. |
Recommended ActionAI
Within 24 hours: identify all WordPress installations running Gato GraphQL plugin versions ≤19.2.3 and immediately disable or uninstall the affected plugin. …
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Same weakness CWE-266 – Incorrect Privilege Assignment
View allSame technique Privilege Escalation
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External POC / Exploit Code
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