CVE-2022-36020

Published at:
2022-09-13T17:15:08.250

Global infos:

The typo3/html-sanitizer package is an HTML sanitizer, written in PHP, aiming to provide XSS-safe markup based on explicitly allowed tags, attributes and values. Due to a parsing issue in the upstream package `masterminds/html5`, malicious markup used in a sequence with special HTML comments cannot be filtered and sanitized. This allows for a bypass of the cross-site scripting mechanism of `typo3/html-sanitizer`. This issue has been addressed in versions 1.0.7 and 2.0.16 of the `typo3/html-sanitizer` package. Users are advised to upgrade. There are no known workarounds for this issue.

CVE Status: Modified

References:

  • [email protected]
  • [email protected]
  • [email protected]
  • [email protected]
  • af854a3a-2127-422b-91ae-364da2661108
  • af854a3a-2127-422b-91ae-364da2661108
  • af854a3a-2127-422b-91ae-364da2661108
  • af854a3a-2127-422b-91ae-364da2661108
  • Metrics:

    AttributeValue
    Attack ComplexityLOW
    Attack VectorNETWORK
    Availability ImpactNONE
    Base Score6.1
    Base SeverityMEDIUM
    Confidentiality ImpactLOW
    Integrity ImpactLOW
    Privileges RequiredNONE
    ScopeCHANGED
    User InteractionREQUIRED
    Vector StringCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
    Exploitability Score2.8
    Impact Score2.7
    Source[email protected]
    TypeSecondary

    Links:

    Exploit-db
    Github