CVE-2026-6990: projeto-siga novo cross site scripting

Severity: low (CVSS 3.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.2% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-04-25 · updated 2026-10-26
Weakness: CWE-79

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.

Affected products

projeto-siga siga: 11.0.3.18

References

https://github.com/ViniCastro2001/Security_Reports/tree/main/siga/Stored-XSS-Responsavel
https://github.com/projeto-siga/siga/
https://github.com/projeto-siga/siga/issues/2491
https://vuldb.com/submit/796647
https://vuldb.com/vuln/359542
https://vuldb.com/vuln/359542/cti

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