Cyber Resilience

CVE-2022-40490

MediumPublic PoC

Published: 06 February 2025

Published
06 February 2025
Modified
31 December 2025
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 0.0023 45.8th percentile
Risk Priority 10 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2022-40490 is a medium-severity Cross-site Scripting (CWE-79) vulnerability in Prasathmani Tiny File Manager. Its CVSS base score is 4.8 (Medium).

Operationally, ranked at the 45.8th 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

Tiny File Manager v2.4.7 and below was discovered to contain a Cross Site Scripting (XSS) vulnerability. This vulnerability allows attackers to execute arbitrary code via a crafted payload injected into the name of an uploaded or already existing file.

CWE(s)
CWE-79

Related Threats

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

Affected Assets

prasathmani
tiny file manager
≤ 2.4.7

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.

CA-8 Penetration Testing
addresses: CWE-79

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

SI-10 Information Input Validation
addresses: CWE-79

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

SI-15 Information Output Filtering
addresses: CWE-79

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

References