CVE-2026-53642

FOSSBilling is a free, open-source billing and client management system. In versions 0.5.6 through 0.7.2, when the "Require Email Confirmation" setting is enabled, a logged-in client with an unverified email address emailapproved = 0 can access all client-area pages e.g. /client/balance,...

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 XSS vulnerability in the client-facing email history views of FOSSBilling. Email HTML content contenthtml is rendered into a JavaScript template literal using t...

CVE-2026-53642 FOSSBilling: Unverified clients can access client-area pages when email confirmation is required

FOSSBilling is a free, open-source billing and client management system. In versions 0.5.6 through 0.7.2, when the "Require Email Confirmation" setting is enabled, a logged-in client with an unverified email address emailapproved = 0 can access all client-area pages e.g. /client/balance,...

CVE-2026-53642

FOSSBilling versions 0.5.6–0.7.2 expose a page‑level access control flaw: when Require Email Confirmation is on, a logged‑in client with email_approved = 0 can access any /client/* page and read real account data (wallet balances, transaction history). The API enforces restrictions correctly to p...

EUVD-2026-41967

FOSSBilling is a free, open-source billing and client management system. In versions 0.5.6 through 0.7.2, when the "Require Email Confirmation" setting is enabled, a logged-in client with an unverified email address emailapproved = 0 can access all client-area pages e.g. /client/balance,...

CVE-2026-53642 FOSSBilling: Unverified clients can access client-area pages when email confirmation is required

FOSSBilling is a free, open-source billing and client management system. In versions 0.5.6 through 0.7.2, when the "Require Email Confirmation" setting is enabled, a logged-in client with an unverified email address emailapproved = 0 can access all client-area pages e.g. /client/balance,...

CVE-2026-53642

FOSSBilling is a free, open-source billing and client management system. In versions 0.5.6 through 0.7.2, when the "Require Email Confirmation" setting is enabled, a logged-in client with an unverified email address emailapproved = 0 can access all client-area pages e.g. /client/balance,...

CVE-2026-53642 FOSSBilling: Unverified clients can access client-area pages when email confirmation is required

FOSSBilling is a free, open-source billing and client management system. In versions 0.5.6 through 0.7.2, when the "Require Email Confirmation" setting is enabled, a logged-in client with an unverified email address emailapproved = 0 can access all client-area pages e.g. /client/balance,...

CVE-2026-53641 FOSSBilling has stored XSS in client email views via unescaped content in JavaScript template literal

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 contenthtml is rendered into a JavaScript template literal using t...

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 XSS vulnerability in the client-facing email history views of FOSSBilling. Email HTML content contenthtml is rendered into a JavaScript template literal using t...

CVE-2026-53641 FOSSBilling has stored XSS in client email views via unescaped content in JavaScript template literal

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 contenthtml is rendered into a JavaScript template literal using t...

EUVD-2026-41966

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 contenthtml is rendered into a JavaScript template literal using t...

CVE-2026-43928 FOSSBilling: Payment amount not validated in PayPalEmail adapter allows invoice underpayment

FOSSBilling is a free, open-source billing and client management system. Prior to version 0.8.0, the PayPalEmail payment adapter accepts PayPal IPN callbacks and credits the IPN-supplied amount mcgross to the client's balance without validating it against the invoice total. Combined with a $0.05...

CVE-2026-43928 FOSSBilling: Payment amount not validated in PayPalEmail adapter allows invoice underpayment

FOSSBilling is a free, open-source billing and client management system. Prior to version 0.8.0, the PayPalEmail payment adapter accepts PayPal IPN callbacks and credits the IPN-supplied amount mcgross to the client's balance without validating it against the invoice total. Combined with a $0.05...

CVE-2026-43928

FOSSBilling PayPalEmail integration before 0.8.0 credits mc_gross from IPN without validating against the invoice total, combined with a $0.05 epsilon in the credit logic, enabling underpayment of up to $0.04 while marking invoices as paid. Version 0.8.0 patches the issue. No public workaround ex...

CVE-2026-43928 FOSSBilling: Payment amount not validated in PayPalEmail adapter allows invoice underpayment

FOSSBilling is a free, open-source billing and client management system. Prior to version 0.8.0, the PayPalEmail payment adapter accepts PayPal IPN callbacks and credits the IPN-supplied amount mcgross to the client's balance without validating it against the invoice total. Combined with a $0.05...

Information Exposure

Overview craftcms/cms is a content management system. Affected versions of this package are vulnerable to Information Exposure via the dataUrl function in Twig templates when a control panel user with the utility:system-messages permission embeds a file-reading payload into system email templates...

Coder vulnerable to OIDC account takeover via email-based user matching and email_verified bypass

Summary Two flaws in Coder's OIDC login chained into account takeover: email-based user matching fell back to linking by email without checking for an existing link to a different IdP subject and the emailverified claim was only enforced when present as a boolean false so an absent or non-boolean...

Authentication Bypass by Alternate Name

Overview Affected versions of this package are vulnerable to Authentication Bypass by Alternate Name via improper handling of OIDC authentication and the emailverified claim. An attacker can gain unauthorized access to another user's account by authenticating with an email address matching the...

Authentication Bypass by Alternate Name

Overview Affected versions of this package are vulnerable to Authentication Bypass by Alternate Name via improper handling of OIDC authentication and the emailverified claim. An attacker can gain unauthorized access to another user's account by authenticating with an email address matching the...