CVE-2018-12940

8.8 highEPSS 2.5%

High (8.8) in seeddms seeddms. EPSS 2.5% chance of exploitation in the next 30 days.

Unrestricted file upload vulnerability in "op/op.UploadChunks.php" in SeedDMS (formerly LetoDMS and MyDMS) before 5.1.8 allows remote attackers to execute arbitrary code by uploading a file with an executable extension specified by the "qqfile" parameter. This allows an authenticated attacker to upload a malicious file containing PHP code to execute operating system commands to the web root of the application.

Severity

CVSS 3.0

8.8 high

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

EPSS: 2.5% chance of exploitation in the next 30 days; higher than 84% of CVEs (scores of 2026-10-31)
CWE: CWE-434
Published: 2018-07-31
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

seeddms:seeddms

References

https://sourceforge.net/p/seeddms/code/ci/seeddms-5.1.x/tree/CHANGELOG
https://www.contextis.com/resources/advisories/cve-2018-12940
https://sourceforge.net/p/seeddms/code/ci/seeddms-5.1.x/tree/CHANGELOG
https://www.contextis.com/resources/advisories/cve-2018-12940

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