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nullcathedral

105 karma · joined December 12, 2025

hn username @ hn username dot com

happy to discuss infosec, vulndev, etc.

There’s apparently a generative AI “artist” using the same name. We’re not related.

submissionscomments

Roundcube Webmail: three more sanitizer bypasses enable tracking and phishing

nullcathedral.com·2 pts·nullcathedral·
1

Perfex CRM: Unauthenticated RCE via PHP's S: deserialization format

nullcathedral.com·1 pts·nullcathedral·
1

Roundcube Webmail: SVG feImage bypasses image blocking to track email opens

nullcathedral.com·175 pts·nullcathedral·
75