CVE-2018-12943

Severity: medium (CVSS 6.1 v3.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.1% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2018-07-31 · updated 2026-06-17
Weakness: CWE-79

Description

Cross-Site Scripting (XSS) vulnerability in every page that includes the "action" URL parameter in SeedDMS (formerly LetoDMS and MyDMS) before 5.1.8 allows remote attackers to inject arbitrary web script or HTML via the action parameter.

Affected products

Seeddms: before 5.1.8 — fixed in 5.1.8

How to fix

Upgrade to a fixed version: Seeddms 5.1.8. Check the vendor advisory for mitigations.

References

https://sourceforge.net/p/seeddms/code/ci/seeddms-5.1.x/tree/CHANGELOG
https://www.contextis.com/resources/advisories/cve-2018-12943
https://sourceforge.net/p/seeddms/code/ci/seeddms-5.1.x/tree/CHANGELOG
https://www.contextis.com/resources/advisories/cve-2018-12943

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