CVE-2016-20076

HIGH

WordPress Simple-Backup 2.7.11 Arbitrary File Deletion and Download

Title source: cna
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2016-20076. PoCs published by PizzaHatHacker.

AI-analyzed exploit summary This is a detailed technical writeup describing two vulnerabilities in the WordPress plugin 'simple-backup' version 2.7.11: arbitrary file deletion and file download due to insufficient input validation and lack of authentication checks.

Description

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.

Exploits (1)

exploitdb WRITEUP
by PizzaHatHacker · textwebappsphp
https://www.exploit-db.com/exploits/39883

This is a detailed technical writeup describing two vulnerabilities in the WordPress plugin 'simple-backup' version 2.7.11: arbitrary file deletion and file download due to insufficient input validation and lack of authentication checks.

Classification
Writeup 95%
Attack Type
Info Leak
Complexity
Trivial
Reliability
Reliable
Target: WordPress plugin simple-backup 2.7.11
No auth needed
Prerequisites: WordPress with simple-backup plugin installed and enabled
devstral-2 · analyzed Jun 15, 2026 Full analysis →

References (2)

Core 2
Core References
Exploit exploit
ExploitDB-39883
https://www.exploit-db.com/exploits/39883
Third Party Advisory third-party-advisory
VulnCheck Advisory: WordPress Simple-Backup 2.7.11 Arbitrary File Deletion and Download
https://www.vulncheck.com/advisories/wordpress-simple-backup-arbitrary-file-deletion-and-download

Scores

CVSS v3 7.5
EPSS 0.0060
EPSS Percentile 44.0%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

CISA SSVC

Vulnrichment
Exploitation poc
Automatable yes
Technical Impact partial

Details

CWE
CWE-22
Status published
Products (1)
ChrisHurst/Simple Backup 2.7.11
Published Jun 15, 2026
Tracked Since Jun 15, 2026