Cyber Resilience

CVE-2024-50348

MediumPublic PoC

Published: 29 October 2024

Published
29 October 2024
Modified
06 November 2024
KEV Added
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Patch
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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 0.0059 69.7th percentile
Risk Priority 11 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2024-50348 is a medium-severity Cross-site Scripting (CWE-79) vulnerability in Instantcms Instantcms. Its CVSS base score is 5.4 (Medium).

Operationally, ranked in the top 30.3% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog; a public proof-of-concept is referenced.

EU & UK References

Vulnerability details

InstantCMS is a free and open source content management system. In photo upload function in the photo album page there is no input validation taking place. Due to this attackers are able to inject the XSS (Cross Site Scripting) payload…

more

and execute. This vulnerability is fixed in 2.16.3.

CWE(s)
CWE-79

Related Threats

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

Affected Assets

instantcms
instantcms
≤ 2.16.3

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