affected:
- package:
    ecosystem: PyPI
    name: dash-html-components
    purl: pkg:pypi/dash-html-components
  ranges:
  - events:
    - introduced: '0'
    - fixed: 2.0.0
    type: ECOSYSTEM
  versions:
  - 0.0.0
  - 0.17.4
  - 0.17.5
  - 0.17.7
  - 0.17.8rc1
  - 0.17.8rc2
  - 0.17.8rc3
  - 0.18.0
  - 0.18.1
  - 0.18.2
  - 0.18.3
  - 0.18.3rc1
  - 0.19.0
  - 0.20.0
  - 0.21.0
  - 0.21.1
  - 0.22.0
  - 0.22.0rc1
  - 0.22.0rc2
  - 0.23.1
  - 0.24.0
  - 0.24.1
  - 0.24.1rc1
  - 0.24.2
  - 0.25.0
  - 0.25.1
  - 0.26.0
  - 0.26.1
  - 0.26.1rc1
  - 0.26.1rc2
  - 0.26.1rc3
  - 0.26.2
  - 0.26.3
  - 0.26.4
  - 0.26.5
  - 0.26.6
  - 0.27.0
  - 0.27.0rc1
  - 0.27.0rc2
  - 0.27.0rc3
  - 0.27.0rc4
  - 0.27.0rc5
  - 0.27.0rc6
  - 0.27.0rc7
  - 0.27.0rc8
  - 0.27.0rc9
  - 0.28.0
  - 0.28.1
  - 0.28.2
  - 0.28.3
  - 0.28.4
  - 0.28.5
  - 0.28.6
  - 0.28.7
  - 0.29.0
  - 0.29.0rc1
  - 0.29.0rc2
  - 0.29.0rc3
  - 0.29.0rc4
  - 0.29.0rc5
  - 0.29.0rc6
  - 0.29.0rc8
  - 0.29rc7
  - 0.30.0
  - 0.30.0rc1
  - 0.30.0rc2
  - 0.30.0rc3
  - 0.30.0rc4
  - 0.30.0rc5
  - 0.31.0
  - 0.31.0rc1
  - 0.31.0rc2
  - 0.31.1
  - 0.32.0
  - 0.32.0rc1
  - 0.32.0rc2
  - 0.32.1
  - 0.32.2
  - 0.34.0
  - 0.35.0
  - 0.35.0rc1
  - 0.35.1
  - 0.35.2
  - 0.35.3
  - 0.36.0
  - 0.36.0rc1
  - 0.37.0
  - 0.37.0rc1
  - 0.37.0rc2
  - 0.38.0
  - 0.38.0rc1
  - 0.39.0
  - 0.40.0
  - 0.40.0rc1
  - 0.41.0
  - 0.42.0
  - 0.43.0
  - 0.43.0rc1
  - 0.43.0rc2
  - 0.43.0rc3
  - 1.0.0
  - 1.0.0a1
  - 1.0.1
  - 1.0.1rc1
  - 1.0.2
  - 1.1.0
  - 1.1.1
  - 1.10.0
  - 1.11.0
  - 1.12.0
  - 1.13.0
  - 1.13.1
  - 1.13.2
  - 1.13.3
  - 1.13.4
  - 1.14.0
  - 1.15.0
  - 1.16.0
  - 1.16.1
  - 1.16.2
  - 1.16.3
  - 1.17.0
  - 1.18.0
  - 1.18.1
  - 1.19.0
  - 1.2.0
  - 1.20.0
  - 1.21.0
  - 1.3.0
  - 1.3.1
  - 1.4.0
  - 1.4.1
  - 1.5.0
  - 1.5.1
  - 1.6.0
  - 1.6.1
  - 1.7.0
  - 1.8.0
  - 1.9.0
  - 1.9.1
  - 2.0.0rc1
  - 2.0.0rc2
  - 2.0.0rc3
  - 0.10.0
  - 0.10.1
  - 0.11.0
  - 0.11.0rc1
  - 0.11.0rc2
  - 0.11.0rc3
  - 0.11.0rc5
  - 0.12.0
  - 0.12.0rc1
  - 0.12.0rc2
  - 0.12.0rc3
  - 0.13.0
  - 0.13.0rc1
  - 0.13.0rc2
  - 0.13.0rc3
  - 0.13.0rc4
  - 0.13.0rc5
  - 0.13.1
  - 0.13.2
  - 0.13.2rc1
  - 0.13.3
  - 0.13.4
  - 0.13.5
  - 0.14.0
  - 0.14.0rc1
  - 0.14.0rc2
  - 0.14.0rc20
  - 0.14.0rc21
  - 0.14.0rc3
  - 0.14.0rc4
  - 0.14.0rc5
  - 0.14.0rc6
  - 0.15.0
  - 0.15.0rc1
  - 0.16.0
  - 0.16.0rc1
  - 0.2.0
  - 0.2.1
  - 0.2.2
  - 0.2.3
  - 0.3.1
  - 0.3.2
  - 0.3.3
  - 0.3.4
  - 0.3.5
  - 0.3.6
  - 0.3.7
  - 0.3.8
  - 0.4.0
  - 0.4.1
  - 0.5.0
  - 0.6.0
  - 0.6.1
  - 0.6.2
  - 0.7.0
  - 0.8.0
  - 0.9.0
  - 0.9.0rc1
  - 1.0.0a2
  - 1.0.3
  - 1.1.2
  - 1.1.3
  - 1.1.4
aliases:
- CVE-2024-21485
- GHSA-547x-748v-vp6p
details: "Versions of the package dash-core-components before 2.13.0; all versions\
  \ of the package dash-core-components; versions of the package dash before 2.15.0;\
  \ all versions of the package dash-html-components; versions of the package dash-html-components\
  \ before 2.0.16 are vulnerable to Cross-site Scripting (XSS) when the href of the\
  \ a tag is controlled by an adversary. An authenticated attacker who stores a view\
  \ that exploits this vulnerability could steal the data that's visible to another\
  \ user who opens that view - not just the data already included on the page, but\
  \ they could also, in theory, make additional requests and access other data accessible\
  \ to this user. In some cases, they could also steal the access tokens of that user,\
  \ which would allow the attacker to act as that user, including viewing other apps\
  \ and resources hosted on the same server.\r\r**Note:**\r\rThis is only exploitable\
  \ in Dash apps that include some mechanism to store user input to be reloaded by\
  \ a different user."
id: PYSEC-2026-220
modified: '2026-06-24T16:59:01.868571Z'
published: '2026-06-09T16:43:00Z'
references:
- type: EVIDENCE
  url: https://security.snyk.io/vuln/SNYK-JS-DASHCORECOMPONENTS-6183084
- type: WEB
  url: https://security.snyk.io/vuln/SNYK-JS-DASHCORECOMPONENTS-6183084
- type: EVIDENCE
  url: https://security.snyk.io/vuln/SNYK-PYTHON-DASHCORECOMPONENTS-6226334
- type: WEB
  url: https://security.snyk.io/vuln/SNYK-PYTHON-DASHCORECOMPONENTS-6226334
- type: EVIDENCE
  url: https://security.snyk.io/vuln/SNYK-PYTHON-DASH-6226335
- type: WEB
  url: https://security.snyk.io/vuln/SNYK-PYTHON-DASH-6226335
- type: EVIDENCE
  url: https://security.snyk.io/vuln/SNYK-PYTHON-DASHHTMLCOMPONENTS-6226336
- type: WEB
  url: https://security.snyk.io/vuln/SNYK-PYTHON-DASHHTMLCOMPONENTS-6226336
- type: EVIDENCE
  url: https://security.snyk.io/vuln/SNYK-JS-DASHHTMLCOMPONENTS-6226337
- type: WEB
  url: https://security.snyk.io/vuln/SNYK-JS-DASHHTMLCOMPONENTS-6226337
- type: EVIDENCE
  url: https://github.com/plotly/dash/issues/2729
- type: REPORT
  url: https://github.com/plotly/dash/issues/2729
- type: REPORT
  url: https://github.com/plotly/dash/pull/2732
- type: FIX
  url: https://github.com/plotly/dash/pull/2732
- type: WEB
  url: https://github.com/plotly/dash/releases/tag/v2.15.0
- type: FIX
  url: https://github.com/plotly/dash/commit/9920073c9a8619ae8f90fcec1924f2f3a4332a8c
- type: ADVISORY
  url: https://github.com/advisories/GHSA-547x-748v-vp6p
severity:
- score: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
  type: CVSS_V3