Cyber Resilience

CVE-2024-8370

MediumPublic PoC

Published: 01 September 2024

Published
01 September 2024
Modified
29 September 2025
KEV Added
Patch
CVSS Score v4 5.3 CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
EPSS Score 0.0020 41.9th percentile
Risk Priority 11 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2024-8370 is a medium-severity Cross-site Scripting (CWE-79) vulnerability in Grocy Project Grocy. Its CVSS base score is 5.3 (Medium).

Operationally, ranked at the 41.9th 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

A vulnerability classified as problematic was found in Grocy up to 4.2.0. This vulnerability affects unknown code of the file /api/files/recipepictures/ of the component SVG File Upload Handler. The manipulation of the argument force_serve_as with the input picture' leads to…

more

cross site scripting. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used. The real existence of this vulnerability is still doubted at the moment. Unfortunately, the project maintainer does not want to be quoted in any way regarding the dispute rationale. The security policy of the project implies that this finding is "practically irrelevant" due to authentication requirements.

CWE(s)

Related Threats

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

Affected Assets

grocy project
grocy
≤ 4.2.0

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