Revise SECURITY.md to reflect maintainer conversation at WebAssembly#…

…2245

SECURITY.md

@@ -1,17 +1,14 @@
 # Security Policy
 
-If you have discovered a security vulnerability in this project, please report it
-privately. **Do not disclose it as a public issue.** This gives us time to work with you
-to fix the issue before public exposure, reducing the chance that the exploit will be
-used before a patch is released.
-
-Please submit your report by filling out
-[this form](https://github.com/WebAssembly/wabt/security/advisories/new).
+WABT is maintained by volunteers on a reasonable-effort basis. If you
+have discovered a security vulnerability, please open a GitHub issue
+to report it. In the future, we may move to a system of private
+reporting of security issues. Please submit your report by filling out
+[this form](https://github.com/WebAssembly/wabt/issues/new).
 
 Please provide the following information in your report:
 
 - A description of the vulnerability and its impact
 - How to reproduce the issue
-
-This project is maintained by volunteers on a reasonable-effort basis. As such,
-we ask that you give us 90 days to work on a fix before public exposure.
+- Which WABT tools or library functions are affected
+- Which WebAssembly features (`--enable` flags) must be enabled