EUVD-2026-81489
GHSA-43pf-pr8q-7rwh
Severity by source
AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Unauthenticated network auth bypass (AV:N/AC:L/PR:N) plausibly yields high confidentiality and integrity over booking data/functions, but A:H is unsupported by any described destructive/DoS capability, so A:N.
Primary rating from Vendor (Patchstack).
CVSS VectorVendor: Patchstack
Lifecycle Timeline
2DescriptionCVE.org
Unauthenticated Broken Authentication in EduAdmin Booking <= 5.4.2 versions.
Articles & Coverage 1
AnalysisAI
Authentication bypass in the EduAdmin Booking WordPress plugin (all versions up to and including 5.4.2) lets an unauthenticated remote visitor reach functionality that should require a logged-in, privileged user. Patchstack rates it CVSS 3.1 9.8 (AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H), and the assigned weakness is CWE-288 (Authentication Bypass Using an Alternate Path or Channel); our assessment concurs on the unauthenticated, no-interaction, remotely reachable nature of the flaw but scores availability as not impacted (AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N), so the practical consequence is high-impact disclosure and data manipulation rather than denial of service. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | The only stated prerequisite is that the target site runs the EduAdmin Booking WordPress plugin at version 5.4.2 or earlier. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The single strongest signal here is a vendor (Patchstack) CVSS 3.1 base score of 9.8 with vector AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H, mapped to CWE-288 (Authentication Bypass Using an Alternate Path or Channel). … 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 | No vendor-released patch version is identified in the available data, and the static range '≤5.4.2' means no fixed release can be named with confidence; the primary action is therefore to monitor the Patchstack advisory at https://patchstack.com/database/wordpress/plugin/eduadmin-booking/vulnerability/wordpress-eduadmin-booking-plugin-5-4-2-broken-authentication-vulnerability and the EduAdmin Booking plugin changelog, and to upgrade to the first release published above 5.4.2 as soon as it appears. … Detailed patch versions, workarounds, and compensating controls in full report. |
Recommended ActionAI
Within 24 hours, determine exposure by inventorying all WordPress instances for the EduAdmin Booking plugin and confirming whether any run version 5.4.2 or earlier while being internet-reachable; for any confirmed instance, deactivate and remove the plugin if business operations permit, and if removal is not immediately possible, place the site behind a WAF or reverse-proxy rule that blocks unauthenticated requests to the plugin's endpoints and admin-ajax paths, and restrict /wp-admin access to trusted IP ranges. …
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