CVE-2021-22242 (GCVE-0-2021-22242)

Vulnerability from cvelistv5 – Published: 2021-08-25 18:38 – Updated: 2024-08-03 18:37
VLAI
Summary
Insufficient input sanitization in Mermaid markdown in GitLab CE/EE version 11.4 and up allows an attacker to exploit a stored cross-site scripting vulnerability via a specially-crafted markdown
Severity
8.7 (High)
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N
CWE
  • Improper neutralization of input during web page generation ('cross-site scripting') in GitLab
Assigner
References
Impacted products
Vendor Product Version CPE status
GitLab GitLab Affected: >=11.4, <13.12.9
Affected: >=14.0, <14.0.7
Affected: >=14.1, <14.1.2
guessed Create a notification for this product.
Credits
Thanks @saleemrashid for reporting this vulnerability through our HackerOne bug bounty program
Show details on NVD website
To clipboard 

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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

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Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


Detection rules are retrieved from Rulezet.


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