Unrestricted file upload vulnerability in the fileUnzip->unzip method in Dotclear before 2.10.3 allows remote authenticated users with permissions to manage media items to execute arbitrary code by uploading a ZIP file containing a file with a crafted extension, as demonstrated by .php.txt or .php%20.
Conclusion & alert: CVE-2016-7902 is rated High Risk (65.8/100): CVSS High severity, with medium exploitation likelihood (EPSS 3.02%). Mandatory action: High exploitation likelihood—assess exposure and prioritize remediation.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2026-06-15 | 2.36% | 3.02% | +0.66% |
| 2 | 2025-09-07 | 2.52% | 2.36% | -0.16% |
| 3 | 2025-03-30 | — | 2.52% | — |
Full EPSS history (9 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 8.8 | 3.0 | HIGH |
|
2.8 | 5.9 | [email protected] |
| 6.5 | 2.0 | MEDIUM |
|
8.0 | 6.4 | [email protected] |
| vendor | priority | summary | link |
|---|---|---|---|
ubuntu
|
medium | CVE-2016-7902 medium priority: Ubuntu including 1 source packages (dotclear), 21 status rows across 21 suites (artful, bionic, cosmic, disco, eoan, focal, groovy, hirsute, impish, jammy, mantic, noble, oracular, plucky, precise, questing, trusty, upstream, xenial, yakkety, zesty): DNE 18, ignored 1, needed 1, needs-triage 1. | https://ubuntu.com/security/CVE-2016-7902 |
| URL | Tags |
|---|---|
| http://www.openwall.com/lists/oss-security/2016/10/05/6 | Mailing List |
| http://www.securityfocus.com/bid/93440 | |
| https://dotclear.org/blog/post/2016/11/01/Dotclear-2.10.3 | Patch Vendor Advisory |
| https://hg.dotclear.org/dotclear/rev/a9db771a5a70 | Patch |