CVE-2026-86827CWE-862broken-access-control

CVE-2026-86827

Medium · published October 8, 2026

CVSS v3.1
5.3
EPSS
0%
Percentile
11.6
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
5.3 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
CVSS v4.0
Not supplied
EPSS
0.00218 · 11.6th percentile
Weakness
CWE-862 · Missing Authorization
Published
2026-10-08T10:16Z
References (1)
https://wpscan.com/vulnerability/c7785a5b-f580-416f-a23d-58c28c717b60/ · [email protected]
EPSS history
Timeline
  • 09 OCT 03:32Z
    EPSS moved — → 0%
    epss
  • 08 OCT 06:00Z
    BackWPup 3.3 - 5.7.6 - Unauthenticated Backup Job Execution via wp-cron.php
    cvelistv5
  • 08 OCT 06:00Z
    BackWPup 3.3 - 5.7.6 - Unauthenticated Backup Job Execution via wp-cron.php
    cvelistv5