EUVD-2026-50115
GHSA-fvvp-v9c4-343h
Severity by source
AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Unauthenticated network AJAX route (AV:N/PR:N/UI:N) with reliable arbitrary-function invocation (AC:L) yielding full code execution, so C/I/A all High.
Primary rating from Vendor (WPScan).
CVSS VectorVendor: WPScan
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Lifecycle Timeline
4DescriptionCVE.org
The Streamit WordPress theme through 4.5.0 does not perform any authorization or nonce verification on one of its unauthenticated AJAX routes, which invokes an attacker-supplied PHP function with an attacker-supplied argument array, allowing unauthenticated attackers to call arbitrary functions (for example to create an administrator account), leading to privilege escalation and remote code execution.
Articles & Coverage 1
AnalysisAI
Unauthenticated remote code execution in the Streamit WordPress theme (versions up to and including 4.5.0) stems from a missing-authorization AJAX endpoint that invokes an attacker-supplied PHP function with attacker-supplied arguments, letting unauthenticated attackers create administrator accounts and run arbitrary code. Reported by WPScan and tracked as EUVD-2026-50115, it carries a CVSS 9.8 and publicly available exploit code exists, though there is no public exploit identified as being used in active attacks at time of analysis.
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Exploitation requires only that the site run the Streamit theme (version ≤4.5.0) with its vulnerable unauthenticated AJAX route registered and reachable via /wp-admin/admin-ajax.php - the default state for the affected versions. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | All signals point to genuine high priority: the CVSS 3.1 vector (AV:N/AC:L/PR:N/UI:N) describes network-reachable, low-complexity, unauthenticated exploitation with high confidentiality, integrity and availability impact, and publicly available exploit code lowers the barrier further. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in. |
| Exploit Scenario | An attacker sends a single crafted POST request to /wp-admin/admin-ajax.php targeting the vulnerable nopriv action, supplying a PHP function name (e.g. a user-creation function) and an argument array that provisions a new administrator account. … |
| Remediation | No specific vendor-released patched version is identified in the provided data, so no vendor-released patch is confirmed at time of analysis; consult the WPScan advisory (https://wpscan.com/vulnerability/f85c5da1-412f-4079-8c44-708bc78c2b9b/) and the theme vendor/ThemeForest listing for a release above 4.5.0 and upgrade to it as the primary fix once available. … Detailed patch versions, workarounds, and compensating controls in full report. |
Recommended ActionAI
Within 24 hours, audit all WordPress installations to identify Streamit theme deployments and disable the theme immediately or take affected sites offline. …
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External POC / Exploit Code
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