Medium severity · published Mar 18, 2021
CVE-2021-28796
Increments Qiita::Markdown before 0.33.0 allows XSS in transformers
6.1
CVSS
0.8%
EPSS
No
On KEV
Description
Increments Qiita::Markdown before 0.33.0 allows XSS in transformers.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
Low
Integrity
Low
Availability
None
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)0.8% · higher than 56% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
QI
Qiita::markdown · Increments
before 0.33.0 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-28796
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-28796
Patch
https://github.com/increments/qiita-markdown/compare/v0.32.0...v0.33.0
Third Party Advisory
https://vuln.ryotak.me/advisories/15
More from Qiita::markdown
6.1
CVE-2021-28833
Increments Qiita::Markdown before 0.34.0 allows XSS via a crafted gist link, a different vulnerability than CVE-2021-28796