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Low 25 Bitcoin

Add CC and BCC to emails

Public commit record

What the developer wrote

Authored by Nicolas Dorier

38/100 · Opaque
Add CC and BCC to emails
✓ Subject identifies a change✓ Names a concrete action or component! No meaningful explanatory body
The short version

What changed, and why it matters

This commit adds CC and BCC fields to BTCPay Server's email rules and refactors how email addresses are parsed. It is a feature addition, not a clear security fix. The new parsing logic uses a placeholder-replacement trick that could mask malformed addresses, and the validation is only partial, so there is a small chance of misdirected or failed emails. There is no evidence in the commit or supplied references that the vendor is treating this as a security issue.

Recommended action

Review the new AsArray() parser for robustness against malformed or adversarial email strings, ensure all failure modes produce validation errors rather than silent drops, and confirm CC/BCC values are properly encoded and authorized before sending. Treat as a normal feature commit unless additional security context emerges.

Security signals we found

01

New email-address parsing path introduced in StoreEmailRuleViewModel.AsArray()

02

Validation only catches FormatException; other parsing/validation failures may be silently ignored

03

Placeholder substitution with a random dummy address could hide parsing edge cases

04

CC/BCC fields added to email rules, increasing scope of outbound email targets

05

No explicit security fix language in commit title or message

Risk score

Why this scored 25/100

Our methodology →
Potential impact 3/30
Exploitability 4/25
Stealth signal 3/15
Affected reach 6/15
Confidence 6/10
Evidence quality 3/5
Human-validated context

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