CVE Watch8 de jul. de 2026

CVE-2026-53641

FOSSBilling is a free, open-source billing and client management system. Versions 0.6.0 through 0.7.2 have a stored cross-site scripting (XS

CVSS

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Sem CVSS

EPSS

0.4%

p39

KEV

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Exploit Today

0-100

Publicado: 6 de jul. de 2026 · Última mod.: 8 de jul. de 2026 · CWE-79 · CWE-838

EPSS · 30d

0.4%EPSS · 30 dias0.4%

2026-10-102026-11-07

Descrição técnica

FOSSBilling is a free, open-source billing and client management system. Versions 0.6.0 through 0.7.2 have a stored cross-site scripting (XSS) vulnerability in the client-facing email history views of FOSSBilling. Email HTML content (`content_html`) is rendered into a JavaScript template literal using the `|raw` filter, bypassing all output escaping. An attacker with admin access can inject malicious JavaScript payloads into email content that execute in the browser of any client who views their email history. Version 0.8.0 contains a fix. Some workarounds are available. Restrict admin account access, audit email content in the database for suspicious payloads, and/or monitor client accounts for unusual activity.

Referências oficiais

github.comhttps://github.com/FOSSBilling/FOSSBilling/security/advisories/GHSA-q6c8-6r72-35f7

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