Missing authorization in BackWPup
Priority LOW 25CWE-862Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- High
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- High · Low · None
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-862.
Summary
The BackWPup WordPress plugin before 5.7.5 does not properly restrict access to several of its REST API routes for job, backup-destination, and backup-execution management, allowing users holding a BackWPup WordPress plugin before 5.7.5-defined, administrator-assigned limited role to create and run backup jobs and exfiltrate a full database backup to an attacker-controlled destination.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00382 32nd percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA
Fix Fixed BackWPup (Unknown): 5.7.5
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Unknown | BackWPup | 5.2.2 to before 5.7.5 | 5.7.5 | Patch available | CNA |
- BackWPup VendorUnknown Affected 5.2.2 to before 5.7.5 Fixed in 5.7.5 Patch available CNA
Remediation
- Fix · CNA BackWPup (Unknown) Fixed in 5.7.5
Timeline
- 2026-10-02 Threatist record created from CVE-2026-86815
- 2026-10-03 Alias added: GHSA-qr55-6j78-v53m
References
Sources
- CVE-2026-86815 · CVE Program
- CVE-2026-86815 · NVD
- FIRST EPSS
- GHSA-qr55-6j78-v53m · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences