CVE-2016-20076
CVE-2016-20076 is a high-severity vulnerability with a CVSS 3.x base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-22.
Key facts
- Severity: High (CVSS 3.x base score 7.5)
- CVSS v4: 8.7
- EPSS exploit prediction: 1% (45th percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2016-10888
- Weakness: CWE-22
- Published:
- Last modified:
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.
Frequently asked questions
- What is CVE-2016-20076?
- 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.
- How severe is CVE-2016-20076?
- CVE-2016-20076 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
- Is CVE-2016-20076 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (45th percentile), an estimate of the probability of exploitation in the next 30 days.
- How do I fix CVE-2016-20076?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- Does CVE-2016-20076 have an EU (EUVD) identifier?
- Yes. CVE-2016-20076 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2016-10888.
- When was CVE-2016-20076 published?
- CVE-2016-20076 was published on 2026-06-15 and last updated on 2026-06-17.
References
- https://www.exploit-db.com/exploits/39883
- https://www.vulncheck.com/advisories/wordpress-simple-backup-arbitrary-file-deletion-and-download
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