massCodeIO massCode Local HTTP Service index.ts information disclosure

A security vulnerability has been detected in massCodeIO massCode 5.10. Affected is an unknown function of the file src/main/api/index.ts of the component Local HTTP Service. Such manipulation leads to information disclosure. It is possible to launch the attack remotely. The exploit has been disclosed publicly and may be used. The name of the patch is d25d8fa3f5a1e34285c8634f18729650c0c05cda. It is advisable to implement a patch to correct this issue.

massCode 1.0.0-alpha.6 allows XSS via crafted Markdown text, with resultant remote code execution (because nodeIntegration in webPreferences is true).