Cyber Resilience

CVE-2020-22540

MediumPublic PoC

Published: 15 April 2024

Published
15 April 2024
Modified
18 April 2025
KEV Added
Patch
CVSS Score v3.1 5.4 CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
EPSS Score 0.0020 42.2th percentile
Risk Priority 11 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2020-22540 is a medium-severity Cross-site Scripting (CWE-79) vulnerability in Codologic Codoforum. Its CVSS base score is 5.4 (Medium).

Operationally, ranked at the 42.2th 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

Stored Cross-Site Scripting (XSS) vulnerability in Codoforum v4.9, allows attackers to execute arbitrary code and obtain sensitive information via crafted payload to Category name component.

CWE(s)

Related Threats

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

Affected Assets

codologic
codoforum
4.9

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