CVE-2026-6990
projeto-siga novo cross site scripting
Vexday Risk Score
33Attention
SSVC decision (CISA)
Attend
PoC available → attend closely
Exploit maturity
Proof of concept
Public proof of concept exists, but not yet automated.
CVSS 5.1EPSS 0.2%KEV nãoPoC públicaNuclei —Metasploit —Patch —
Lifecycle
25 Apr 2026Published on NVD
Recommendation: Plan a near-term fix — a public PoC already exists.
A vulnerability was found in projeto-siga siga 11.0.3.18. The affected element is an unknown function of the file /sigawf/app/responsavel/novo. Performing a manipulation of the argument Nome/Descrição results in cross site scripting. The attack can be initiated remotely. The exploit has been made public and could be used. The project was informed of the problem early through an issue report but has not responded yet.
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:P
Affected products
projeto-siga · sigapublic PoCs found — 1
cve_referencegithub.com/ViniCastro2001/Security_Reports/tree/main/siga/Stored-XSS-Responsavelunverified⚠ Public resources, to assess the exposure of systems you control or are authorized to test. Test only with authorization.