CVE-2026-86827 - Vulnerability Details - OpenCVE

The BackWPup WordPress plugin before 5.7.7 does not verify that a request to its cron-triggered backup execution handler actually originates from WordPress's internal scheduled-event dispatch, allowing unauthenticated attackers to force any existing backup job to run immediately, independent of its configured trigger type or schedule.

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact None

Integrity Impact Low

Availability Impact None

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

Exploitation none

Automatable yes

Technical Impact partial

Vendors	Products
Wordpress-extensions	Backwpup

No data.

No data.

References

Link	Providers
https://wpscan.com/vulnerability/c7785a5b-f580-416f-a23d-58c28c717b60/

History

Fri, 09 Oct 2026 09:15:00 +0000

Type	Values Removed	Values Added
First Time appeared		Wordpress-extensions Wordpress-extensions backwpup
Vendors & Products		Wordpress-extensions Wordpress-extensions backwpup

Thu, 08 Oct 2026 13:30:00 +0000

Type	Values Removed	Values Added
Weaknesses	CWE-287

Thu, 08 Oct 2026 11:30:00 +0000

Type	Values Removed	Values Added
Weaknesses		CWE-862
Metrics		cvssV3_1 `{'score': 5.3, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N'}` ssvc `{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}`

Thu, 08 Oct 2026 08:00:00 +0000

Type	Values Removed	Values Added
Weaknesses		CWE-287

Thu, 08 Oct 2026 06:15:00 +0000

Type	Values Removed	Values Added
Description		The BackWPup WordPress plugin before 5.7.7 does not verify that a request to its cron-triggered backup execution handler actually originates from WordPress's internal scheduled-event dispatch, allowing unauthenticated attackers to force any existing backup job to run immediately, independent of its configured trigger type or schedule.
Title		BackWPup 3.3 - 5.7.6 - Unauthenticated Backup Job Execution via wp-cron.php
References		https://wpscan.com/vulnerability/c7785a5b-f580-416f-a23d-58c28c717b60/

MITRE

Status: PUBLISHED

Assigner: WPScan

Published: 2026-10-08T06:00:08.008Z

Updated: 2026-10-08T10:59:18.241Z

Reserved: 2026-09-08T14:25:04.427Z

Link: CVE-2026-86827

Vulnrichment

Updated: 2026-10-08T10:53:06.990Z

NVD

Status : Deferred

Published: 2026-10-08T06:16:44.987

Modified: 2026-10-08T20:51:18.123

Link: CVE-2026-86827

Redhat

No data.

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