XSS in Tammersoft Shared Files

CVE-2021-24736

The Easy Download Manager and File Sharing Plugin with frontend file upload – a better Media Library — Shared Files WordPress plugin before 1.6.57 does not sanitise and escape some of its settings before outputting them in attributes, which could lead to Stored Cross-Site Scripting issues.

Vulnerability class: XSS (Cross-Site Scripting)

Published · last modified .

CVSS v3 metric

CVSS v3 base score 4.8 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N.

EPSS exploit prediction

EPSS: 0.006 (49.0th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 49th percentile — 49.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2021-24736: held from 0.006 to 0.006.

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

Affected products

  • Tammersoft Shared Files
  • Easy Download Manager And File Sharing Plugin With Frontend Upload – A Better Media Library — Shared Files — versions 1.6.57

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2021-24736?
CVE-2021-24736 is a medium-severity vulnerability in Tammersoft Shared Files, classified under Cross-site Scripting. CVSS score: 4.8/10. Published 2021-10-18.
How severe is CVE-2021-24736?
Medium severity. CVSS v3 base score is 4.8 out of 10.
Is CVE-2021-24736 known to be exploited?
2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.