Details for this vulnerability have not been published by NIST at this point. Descriptions from software vendor advisories for this issue are provided below.
From VID-CDB5338D-04EC-11EE-9C88-001B217B3468:
Gitlab reports:
Stored-XSS with CSP-bypass in Merge requests
ReDoS via FrontMatterFilter in any Markdown fields
ReDoS via InlineDiffFilter in any Markdown fields
ReDoS via DollarMathPostFilter in Markdown fields
DoS via malicious test report artifacts
Restricted IP addresses can clone repositories of public projects
Reflected XSS in Report Abuse Functionality
Privilege escalation from maintainer to owner by importing members from a project
Bypassing tags protection in GitLab
Denial of Service using multiple labels with arbitrarily large descriptions
Ability to use an unverified email for public and commit emails
Open Redirection Through HTTP Response Splitting
Disclosure of issue notes to an unauthorized user when exporting a project
Ambiguous branch name exploitation
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