Cyber Resilience

CVE-2021-24736

MediumPublic PoC

Published: 18 October 2021

Published
18 October 2021
Modified
21 November 2024
KEV Added
Patch
CVSS Score v3.1 4.8 CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N
EPSS Score 0.0021 43.0th percentile
Risk Priority 10 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2021-24736 is a medium-severity Cross-site Scripting (CWE-79) vulnerability in Tammersoft Shared Files. Its CVSS base score is 4.8 (Medium).

Operationally, ranked at the 43.0th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog; a public proof-of-concept is referenced.

EU & UK References

Vulnerability details

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…

more

lead to Stored Cross-Site Scripting issues.

CWE(s)

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Affected Assets

tammersoft
shared files
≤ 1.6.57

Mitigating Controls

Likely Mitigating Controls AI

Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.

addresses: CWE-79

Penetration testing submits XSS payloads to web applications, detecting cross-site scripting flaws for subsequent remediation.

addresses: CWE-79

Validates web inputs to reject script-related content that could produce XSS.

addresses: CWE-79

Output validation against expected content can reject or sanitize script content in generated web pages, reducing XSS exploitability.

References