WordPress Simple-Backup 2.7.11 Arbitrary File Deletion and Download
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Attack requirements
- None
- Impact type
- Information disclosure
- Confidentiality · integrity · availability
- High · None · None
- Fix status
- No fix listed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-22 and the CVSS impact.
Summary
WordPress Simple-Backup 2.7.11 contains multiple vulnerabilities that allow unauthenticated attackers to delete arbitrary files and download sensitive files by manipulating the delete_backup_file and download_backup_file parameters in tools.php. Attackers can exploit insufficient input validation using directory traversal techniques to access wp-config.php, database dumps, and other sensitive files, or delete critical files .htaccess to expose backup directories.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- Poc
- Automatable
- Yes
- 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 |
|---|---|---|---|---|---|
| ChrisHurst | Simple Backup | 2.7.11 | — | No fix listed | CNA |
- Simple Backup VendorChrisHurst Affected 2.7.11 Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2016-20076
- 2026-10-03 Alias added: GHSA-9xr9-wq88-x9xw
References
Exploit 1
More ChrisHurst vulnerabilities
- TI-2025-36498 WordPress Bulk Watermark Plugin <= 1.6.10 - Cross Site Request Forgery (CSRF) Vulnerability CVSS 3.1HIGH 7.1
- TI-2025-10827 Print Button Shortcode <= 1.0.1 - Authenticated (Contributor+) Stored Cross-Site Scripting via Shortcode CVSS 3.1MEDIUM 6.4
- TI-2025-21813 WordPress Simple Optimizer plugin <= 1.2.7 - Cross Site Request Forgery (CSRF) vulnerability CVSS 3.1MEDIUM 4.3
Sources
- CVE-2016-20076 · CVE Program
- CVE-2016-20076 · NVD
- FIRST EPSS
- GHSA-9xr9-wq88-x9xw · 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