CVE-2023-27087
HIGHCVE-2023-27087 is a high-severity (CVSS 7.5) CWE-280 vulnerability in com.xuxueli:xxl-job. 1 public exploit reference exists, so weaponization risk is real. O3 Security confirms whether CVE-2023-27087 is actually reachable in your code before you act, and blocks exploitation at runtime until you patch.
Xuxueli xxl-job allows attacker to obtain sensitive information via the pageList parameter
Real-World Exposure
com.xuxueli:xxl-jobReal-time download stats are indexed for npm and PyPI packages. This vulnerability affects Maven packages — download data is not available via public APIs for these ecosystems.
Description
Permissions vulnerabiltiy found in Xuxueli xxl-job v2.2.0, v 2.3.0 and v.2.3.1 allows attacker to obtain sensitive information via the pageList parameter.
Affected Packages
| Ecosystem | Package | Vulnerable range | Fix |
|---|---|---|---|
| ☕Maven | com.xuxueli:xxl-job | ≥ 2.2.0 | No fix |
Research use only. For defensive security, authorized penetration testing, and academic research only. Never execute exploit code against systems without explicit written authorization.
Detection & mitigation playbook
Open-source dependencyDetect
Scan your dependency tree (package-lock.json, pnpm-lock.yaml, requirements.txt, go.sum, etc.) for com.xuxueli:xxl-job. 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.
Remediation status
No patched version of com.xuxueli:xxl-job has shipped for CVE-2023-27087 yet. Where your build allows, override or pin the dependency away from the vulnerable range, and apply any maintainer-recommended mitigation.
Mitigate without a patch
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-2023-27087 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-2023-27087. 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-2023-27087 in your dependencies?
O3 detects CVE-2023-27087 across Maven dependencies and uses function-level reachability to confirm whether the vulnerable code path is actually reachable — not just present. No false positives.