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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.

PUBLISHED Reserved 2026-04-24 | Published 2026-04-25 | Updated 2026-04-27 | Assigner VulDB




MEDIUM: 5.1CVSS: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
LOW: 3.5CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N/E:P/RL:X/RC:R
LOW: 3.5CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N/E:P/RL:X/RC:R
4.0AV:N/AC:L/Au:S/C:N/I:P/A:N/E:POC/RL:ND/RC:UR

Problem types

Cross Site Scripting

Code Injection

Product status

11.0.3.18
affected

Timeline

2026-04-24:Advisory disclosed
2026-04-24:VulDB entry created
2026-04-24:VulDB entry last update

Credits

vini_castro (VulDB User) reporter

VulDB CNA Team coordinator

References

vuldb.com/vuln/359542 (VDB-359542 | projeto-siga novo cross site scripting) vdb-entry technical-description

vuldb.com/vuln/359542/cti (VDB-359542 | CTI Indicators (IOB, IOC, TTP, IOA)) signature permissions-required

vuldb.com/submit/796647 (Submit #796647 | Projeto SIGA SIGA WF 11.0.3.18 Cross Site Scripting) third-party-advisory

github.com/projeto-siga/siga/issues/2491 issue-tracking

github.com/..._Reports/tree/main/siga/Stored-XSS-Responsavel exploit

github.com/projeto-siga/siga/ product

cve.org (CVE-2026-6990)

nvd.nist.gov (CVE-2026-6990)

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