Vulnerability · Published Jun 21, 2021 · Assigned by mitre
CVE-2021-28833
Medium 6.1
In plain English
A medium-severity security flaw in the qiita-markdown package (RubyGems). There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.7% (higher than 55% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS NVD)6.1Medium
Exploit odds (30 days)0.7%top 45.3% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
Increments Qiita::Markdown before 0.34.0 allows XSS via a crafted gist link, a different vulnerability than CVE-2021-28796.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| RubyGems | qiita-markdown | 0.34.0 | GHSA-9p29-94hp-8rvc |
Affected products (as reported)
References
- https://github.com/increments/qiita-markdown/releases x_refsource_MISC
- https://vuln.ryotak.me/advisories/50 x_refsource_MISC