Cyber Resilience

CVE-2024-58303

HighPublic PoC

Published: 11 December 2025

Published
11 December 2025
Modified
15 April 2026
KEV Added
—
Patch
—
CVSS Score v4 8.6 CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/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 0.0002 7.2th percentile
Risk Priority 17 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2024-58303 is a high-severity Improper Neutralization of Special Elements Used in a Template Engine (CWE-1336) vulnerability in Flarum (inferred from references). Its CVSS base score is 8.6 (High).

Operationally, ranked at the 7.2th 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

FoF Pretty Mail 1.1.2 contains a server-side template injection vulnerability that allows administrative users to inject malicious code into email templates. Attackers can execute system commands by inserting crafted template expressions that trigger arbitrary code execution during email generation.

CWE(s)
CWE-1336

Related Threats

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

Affected Assets

Flarum
—
inferred from references and description; NVD did not file a CPE for this CVE

Mitigating Controls

No mitigating controls mapped yet. The per-CVE control annotator has not reached this CVE.

References