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RepairBuddy CVE-2026-78291

| EUVDEUVD-2026-64829 MEDIUM
Missing Authorization (CWE-862)
2026-08-24 Patchstack GHSA-w57j-q9v5-j75v
5.3
CVSS 3.1 · Vendor: Patchstack
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Severity by source

Vendor (Patchstack) PRIMARY
5.3 MEDIUM
AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
vuln.today AI
5.3 MEDIUM

Network-accessible WordPress endpoint requires no privileges or interaction; impact confined to partial integrity modification with no confidentiality or availability consequence.

3.1 AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
4.0 AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N

Primary rating from Vendor (Patchstack).

CVSS VectorVendor: Patchstack

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
Low
Availability
None

Lifecycle Timeline

1
Analysis Generated
Aug 24, 2026 - 12:20 vuln.today

DescriptionCVE.org

Unauthenticated Broken Access Control in RepairBuddy <= 4.1223 versions.

AnalysisAI

Broken access control in the RepairBuddy WordPress plugin (versions up to and including 4.1223) allows unauthenticated remote attackers to perform unauthorized actions against affected WordPress installations. The root cause is CWE-862 (Missing Authorization), meaning one or more plugin endpoints or AJAX handlers execute privileged operations without verifying the requesting user's identity or capability. …

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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata

Access
Identify WordPress site running RepairBuddy
Delivery
Send unauthenticated HTTP request to vulnerable endpoint
Exploit
Bypass missing authorization check
Execution
Execute restricted plugin function
Impact
Modify repair shop data or settings

Vulnerability AssessmentAI

Exploitation The RepairBuddy plugin must be installed and active on a WordPress site. … Additional conditions and limiting factors are described in the full assessment.
Risk Assessment The NVD CVSS 3.1 score of 5.3 (Medium) with vector AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N reflects straightforward remote exploitability tempered by a limited integrity-only impact. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in.
Exploit Scenario An unauthenticated attacker discovers a WordPress site running RepairBuddy by fingerprinting the plugin via standard enumeration techniques, then sends a crafted HTTP POST request to the affected plugin endpoint (likely a WordPress AJAX action or REST route) without any session token or capability check, successfully invoking a restricted function to modify or create repair job records. No public proof-of-concept has been identified, but the low attack complexity suggests exploitation is straightforward for any attacker familiar with WordPress plugin vulnerability patterns.
Remediation No exact patched version is confirmed in the available source data - the Patchstack advisory should be consulted directly at https://patchstack.com/database/wordpress/plugin/computer-repair-shop/vulnerability/wordpress-repairbuddy-plugin-4-1223-broken-access-control-vulnerability for release details. … Detailed patch versions, workarounds, and compensating controls in full report.

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CVE-2026-78291 vulnerability details – vuln.today

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