What is CVE-2020-28726?

CVE-2020-28726 is a medium-severity vulnerability in Seeddms, classified under URL Redirection to Untrusted Site (Open Redirect). CVSS score: 6.1/10. Published 2020-11-24.

How severe is CVE-2020-28726?

Medium severity. CVSS v3 base score is 6.1 out of 10.

Is CVE-2020-28726 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Open Redirect in Seeddms

CVE-2020-28726

Open redirect in SeedDMS 6.0.13 via the dropfolderfileform1 parameter to out/out.AddDocument.php.

Vulnerability class: Open Redirect

Published 2020-11-24 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.

EPSS exploit prediction

EPSS: 0.006 (49.2th percentile), scored 2026-10-01.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 49th percentile — 49.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.006 · newest: 0.006 · change: 0.000

Affected products

Seeddms — versions 6.0.13

Weakness classification (CWE)

CWE-601 — URL Redirection to Untrusted Site (Open Redirect)

Public proof-of-concept exploits

zhanpengliu-tencent/medium-cve

References

sourceforge.net/p/seeddms/code/ci/877844cbba0749367b8ba0e4e0bde34a1dc838f1/ (Patch, Third Party Advisory)

Frequently asked questions

What is CVE-2020-28726?: CVE-2020-28726 is a medium-severity vulnerability in Seeddms, classified under URL Redirection to Untrusted Site (Open Redirect). CVSS score: 6.1/10. Published 2020-11-24.
How severe is CVE-2020-28726?: Medium severity. CVSS v3 base score is 6.1 out of 10.
Is CVE-2020-28726 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.