EUVD-2026-54889
GHSA-777w-f323-336m
Severity by source
AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
Added A:L over the provided vector because template deactivation can disrupt site rendering; all other metrics align with the authenticated, low-privilege AJAX path.
Primary rating from Vendor (wpscan).
CVSS VectorVendor: wpscan
Lifecycle Timeline
5DescriptionCVE.org
The Solace Extra WordPress plugin before 1.6.1 does not perform capability or nonce checks in one of its AJAX actions, allowing any authenticated user such as a subscriber (and, via CSRF, any logged-in user) to update post meta on arbitrary posts and to deactivate the site's active templates.
AnalysisAI
Solace Extra WordPress plugin before version 1.6.1 exposes an unauthenticated-to-low-privilege write path via an unprotected AJAX action, enabling any subscriber-level user to overwrite post meta on arbitrary posts and deactivate the site's active templates. The dual vulnerability - missing capability check and missing nonce verification - means exploitation is achievable both directly by authenticated subscribers and indirectly via CSRF against any logged-in user, including administrators. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | For the direct authenticated path: attacker must hold any WordPress account with at minimum the 'subscriber' role on the target installation; open user registration (Settings > General > Anyone can register = enabled) allows self-provisioning this credential without prior access. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The provided CVSS 3.1 score of 4.3 (AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N) reflects the authenticated, low-privilege direct path and correctly assigns no confidentiality 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 | Update Solace Extra to version 1.6.1 or later, which is confirmed as the vendor-released patched version per the WPScan advisory (https://wpscan.com/vulnerability/514f4577-1f7e-4d50-90d5-36bc504a260c/) and EUVD-2026-54889. … Detailed patch versions, workarounds, and compensating controls in full report. |
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External POC / Exploit Code
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