Auth bypass in Deltasql Delta SQL
CVE-2018-25412
Delta Sql 1.8.2 contains an arbitrary file upload vulnerability that allows unauthenticated attackers to upload malicious files by sending POST requests to docs_upload.php with crafted multipart form data. Attackers can upload PHP files with arbitrary content to the upload directory and execute them on the server for remote code execution.
Vulnerability class: Broken Authentication
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.008 (53.9th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 54th percentile — 53.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.008 · newest: 0.008 · change: 0.000
Affected products
- Deltasql Delta SQL — versions 1.8.2
- Deltasql Project — versions 1.8.2
Weakness classification (CWE)
References
- www.exploit-db.com/exploits/45685 (Exploit, Third Party Advisory, exploit)
- deltasql.sourceforge.net/ (Product, product)
- sourceforge.net/projects/deltasql/files/latest/download (Product, product)
- deltasql.sourceforge.net/deltasql/ (Product, product)
- www.vulncheck.com/advisories/delta-sql-arbitrary-file-upload-via-docs-upload-php (Third Party Advisory, third-party-advisory)
Frequently asked questions
- What is CVE-2018-25412?
- CVE-2018-25412 is a critical-severity vulnerability in Deltasql Delta SQL, classified under Missing Authentication for Critical Function. CVSS score: 9.8/10. Published 2026-05-30.
- How severe is CVE-2018-25412?
- Critical severity. CVSS v3 base score is 9.8 out of 10.