/panel/uploads in Subrion CMS 4.2.1 allows remote attackers to execute arbitrary PHP code via a .pht or .phar file, because the .htaccess file omits these.
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This high-severity CVE scores 7.2 under NVD CVSS v3. EPSS exploit probability: 84.3%, top 1% of all CVEs by exploit prediction. GitHub Security Advisory data not yet ingested — confidence will rise once GHSA publishes (typical lag: hours to days for open-source ecosystem CVEs; never for infrastructure-only CVEs).
/panel/uploads in Subrion CMS 4.2.1 allows remote attackers to execute arbitrary PHP code via a .pht or .phar file, because the .htaccess file omits these.
November 21, 2018
November 21, 2024
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| intelliants/subrion | v4.0.0 ... v4.2.1 (14 versions) | 4.2.2 | — |
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.
Working exploit code is in the public domain (1 Metasploit module) (2 GitHub PoCs) (1 Exploit-DB entry). Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.
This is an edited version of the CVE-2018-19422 exploit to fix an small but annoying issue I had.
Open source ↗CVE-2018-19422 Authenticated Remote Code Execution
Open source ↗Subrion CMS 4.2.1 - Arbitrary File Upload
Open source ↗Intelliants Subrion CMS 4.2.1 - Authenticated File Upload Bypass to RCE
Open source ↗See which npm, PyPI, Go, and Maven packages are affected by CVE-2018-19422
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CWE-434