CVE-2018-1000527
HIGHCVE-2018-1000527 is a high-severity (CVSS 7.2) Deserialization of Untrusted Data vulnerability in froxlor/froxlor. O3 Security confirms whether CVE-2018-1000527 is actually reachable in your code before you act, and blocks exploitation at runtime until you patch.
Froxlor PHP Object Injection vulnerability
Real-World Exposure
froxlor/froxlorReal-time download stats are indexed for npm and PyPI packages. This vulnerability affects Packagist packages — download data is not available via public APIs for these ecosystems.
Description
Froxlor version <= 0.9.39.5 contains a PHP Object Injection vulnerability in Domain name form that can result in Possible information disclosure and remote code execution. This attack appear to be exploitable via Passing malicious PHP objection in $_POST['ssl_ipandport']. This vulnerability appears to have been fixed in after commit c1e62e6.
Affected Packages
| Ecosystem | Package | Vulnerable range | Fix |
|---|---|---|---|
| 🐘Packagist | froxlor/froxlor | all versions | 0.9.40 |
Detection & mitigation playbook
Open-source dependencyDetect
Scan your dependency tree (package-lock.json, pnpm-lock.yaml, requirements.txt, go.sum, etc.) for froxlor/froxlor. O3's reachability analysis confirms whether the vulnerable code path is actually invoked in your application, so you act on real exposure instead of every transitive match.
Fix
Update froxlor/froxlor to 0.9.40 or later, then make sure no transitive (indirect) dependency still pins the vulnerable range — O3 confirms CVE-2018-1000527 is resolved across your whole dependency graph.
Workarounds
If you can't upgrade right away: gate or disable the affected feature, validate untrusted input at the boundary, and avoid passing attacker-controlled data into the vulnerable path. O3's runtime protection blocks exploitation in production as an interim safeguard until the upgrade lands.
How O3 protects you
O3 pinpoints whether CVE-2018-1000527 is reachable in your code and exactly where to fix it, then blocks exploitation in production at runtime until the patched version is deployed.
Tailored to CVE-2018-1000527. Runtime protection reduces exposure until a permanent patch is applied and verified — it complements patching, it doesn't replace it.
Frequently Asked Questions
Is CVE-2018-1000527 in your dependencies?
O3 detects CVE-2018-1000527 across Packagist dependencies and uses function-level reachability to confirm whether the vulnerable code path is actually reachable — not just present. No false positives.