CVE-2024-34064 (GCVE-0-2024-34064)
Vulnerability from cvelistv5
Published
2024-05-06 14:41
Modified
2025-11-03 21:54
Severity ?
5.4 (Medium) - CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N
CWE
  • CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Summary
Jinja is an extensible templating engine. The `xmlattr` filter in affected versions of Jinja accepts keys containing non-attribute characters. XML/HTML attributes cannot contain spaces, `/`, `>`, or `=`, as each would then be interpreted as starting a separate attribute. If an application accepts keys (as opposed to only values) as user input, and renders these in pages that other users see as well, an attacker could use this to inject other attributes and perform XSS. The fix for CVE-2024-22195 only addressed spaces but not other characters. Accepting keys as user input is now explicitly considered an unintended use case of the `xmlattr` filter, and code that does so without otherwise validating the input should be flagged as insecure, regardless of Jinja version. Accepting _values_ as user input continues to be safe. This vulnerability is fixed in 3.1.4.
References
security-advisories@github.com https://github.com/pallets/jinja/commit/0668239dc6b44ef38e7a6c9f91f312fd4ca581cb Patch
security-advisories@github.com https://github.com/pallets/jinja/security/advisories/GHSA-h75v-3vvj-5mfj Vendor Advisory
security-advisories@github.com https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/567XIGSZMABG6TSMYWD7MIYNJSUQQRUC/ Mailing List
security-advisories@github.com https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/GCLF44KY43BSVMTE6S53B4V5WP3FRRSE/ Mailing List
security-advisories@github.com https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/SSCBHIL6BYKR5NRCBXP4XMP2CEEKGFVS/ Mailing List
security-advisories@github.com https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/ZALNWE3TXPPHVPSI3AZ5CTMSTAVN5UMS/ Mailing List
af854a3a-2127-422b-91ae-364da2661108 https://github.com/pallets/jinja/commit/0668239dc6b44ef38e7a6c9f91f312fd4ca581cb Patch
af854a3a-2127-422b-91ae-364da2661108 https://github.com/pallets/jinja/security/advisories/GHSA-h75v-3vvj-5mfj Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108 https://lists.debian.org/debian-lts-announce/2024/12/msg00009.html
af854a3a-2127-422b-91ae-364da2661108 https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/567XIGSZMABG6TSMYWD7MIYNJSUQQRUC/ Mailing List
af854a3a-2127-422b-91ae-364da2661108 https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/GCLF44KY43BSVMTE6S53B4V5WP3FRRSE/ Mailing List
af854a3a-2127-422b-91ae-364da2661108 https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/SSCBHIL6BYKR5NRCBXP4XMP2CEEKGFVS/ Mailing List
af854a3a-2127-422b-91ae-364da2661108 https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/ZALNWE3TXPPHVPSI3AZ5CTMSTAVN5UMS/ Mailing List
Impacted products
Vendor Product Version
pallets jinja Version: < 3.1.4
 Create a notification for this product.
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      "dataType": "CVE_RECORD",
      "dataVersion": "5.2"
    }
  }
}


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