CVE-2018-11248

9.8 criticalEPSS 1.6%

Critical (9.8) in liulishuo filedownloader. EPSS 1.6% chance of exploitation in the next 30 days.

util/FileDownloadUtils.java in FileDownloader 1.7.3 does not check an attachment's name. If an attacker places "../" in the file name, the file can be stored in an unintended directory because of Directory Traversal.

Severity

CVSS 3.0

9.8 critical

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS: 1.6% chance of exploitation in the next 30 days; higher than 75% of CVEs (scores of 2026-10-31)
CWE: CWE-22
Published: 2018-05-18
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

liulishuo:filedownloader

References

https://github.com/lingochamp/FileDownloader/issues/1028
https://github.com/lingochamp/FileDownloader/issues/1028

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