Backup Guard < 1.6.0 - Authenticated Arbitrary File Upload
Priority HIGH 73CWE-434Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- High
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Fixed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-434.
Summary
The WordPress Backup and Migrate Plugin – Backup Guard WordPress plugin before 1.6.0 did not ensure that the imported files are of the SGBP format and extension, allowing high privilege users (admin+) to upload arbitrary files, including PHP ones, leading to RCE.
Why it matters now
EPSS 0.84112 99th percentileScored 2026-11-07
Public exploit Yes 3 exploit referencesTagged by NVD
Fix Fixed WordPress Backup and Migrate Plugin – Backup Guard (Unknown): 1.6.0
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Unknown | WordPress Backup and Migrate Plugin – Backup Guard | 1.6.0 to before 1.6.0 | 1.6.0 | Patch available | CNA |
- WordPress Backup and Migrate Plugin – Backup Guard VendorUnknown Affected 1.6.0 to before 1.6.0 Fixed in 1.6.0 Patch available CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:backup-guard:backup_guard:*:*:*:*:*:wordpress:*:* | before 1.6.0 | Vulnerable | backupguard |
- cpe:2.3:a:backup-guard:backup_guard:*:*:*:*:*:wordpress:*:* Versions before 1.6.0 Vulnerable ·backupguard
Remediation
- Fix · CNA WordPress Backup and Migrate Plugin – Backup Guard (Unknown) Fixed in 1.6.0
Timeline
- 2026-10-02 Threatist record created from CVE-2021-24155
- 2026-10-03 Alias added: GHSA-h635-5m37-x3p5
References
More backupguard Backup Guard vulnerabilities
- TI-2017-13661 The Backup Guard plugin before 1.1.47 for WordPress has multiple XSS issues. CVSS 3.0MEDIUM 6.1
- TI-2017-07938 Cross-site scripting in BackupGuard CVSS 3.1MEDIUM 6.1
Sources
- CVE-2021-24155 · CVE Program
- CVE-2021-24155 · NVD
- FIRST EPSS
- GHSA-h635-5m37-x3p5 · GitHub Advisory Database · CC BY 4.0
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