CVE-2026-6990

projeto-siga novo cross site scripting

State: Published
Severity: 5.1 Medium
Published: Apr 25, 2026
Updated: Apr 27, 2026
Reserved: Apr 24, 2026

Description

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.

Scores

CVSS	Score	Vector	Source
4.0	5.1 Medium	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	VulDB
3.1	3.5 Low	CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N/E:P/RL:X/RC:R	VulDB
3.0	3.5 Low	CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N/E:P/RL:X/RC:R	VulDB
2.0	4.0 Medium	AV:N/AC:L/Au:S/C:N/I:P/A:N/E:POC/RL:ND/RC:UR	VulDB

Weaknesses

CWE-79 Cross Site Scripting
CWE-94 Code Injection

Affected Products

Product	Versions
sigaprojeto-siga	11.0.3.18Affected

References

VDB-359542 | projeto-siga novo cross site scriptingvdb-entrytechnical-description
VDB-359542 | CTI Indicators (IOB, IOC, TTP, IOA)signaturepermissions-required
Submit #796647 | Projeto SIGA SIGA WF 11.0.3.18 Cross Site Scriptingthird-party-advisory
https://github.com/projeto-siga/siga/issues/2491issue-tracking
https://github.com/ViniCastro2001/Security_Reports/tree/main/siga/Stored-XSS-Responsavelexploit
https://github.com/projeto-siga/siga/product

Every record here comes from the CVE Program’s CVE List. © 1999–2026 The MITRE Corporation. CVE is a registered trademark of The MITRE Corporation. The records are reproduced under the CVE Program terms of use.