CVE-2023-3521

MEDIUM NUCLEI

fossbilling/fossbilling <0.5.4 - XSS

Title source: llm
STIX 2.1

Exploitation Summary

CVE-2023-3521 has a Nuclei detection template available — see the Nuclei card below for the Shodan/FOFA recon queries.

Description

Cross-site Scripting (XSS) - Reflected in GitHub repository fossbilling/fossbilling prior to 0.5.4.

Nuclei Templates (1)

FOSSBilling < 0.5.3 - Cross-Site Scripting
MEDIUMVERIFIEDby ctflearner
FOFA: title="FOSSBilling"

References (2)

Core 2

Scores

CVSS v3 6.1
EPSS 0.0089
EPSS Percentile 54.7%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

CISA SSVC

Vulnrichment
Exploitation poc
Automatable no
Technical Impact partial

Details

CWE
CWE-79
Status published
Products (1)
fossbilling/fossbilling < 0.5.4
Published Jul 06, 2023
Tracked Since Feb 18, 2026