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org.xwiki.platform:xwiki-platform-livedata-macro vulnerable to Basic Cross-site Scripting

High severity GitHub Reviewed Published Apr 12, 2023 in xwiki/xwiki-platform • Updated Apr 26, 2023

Package

maven org.xwiki.platform:xwiki-platform-livedata-macro (Maven)

Affected versions

>= 13.10.10, < 13.10.11
>= 14.4, < 14.4.7
>= 14.9, < 14.10

Patched versions

13.10.11
14.4.7
14.10

Description

Impact

A user without script rights can introduce a stored XSS by using the Live Data macro, if the last author of the content of the page has script rights.

For instance, by adding the LiveData below in the about section of the profile of a user created by an admin.

{{liveData id="movies" properties="title,description"}}
{
  "data": {
    "count": 1,
    "entries": [
      {
        "title": "Meet John Doe",
        "url": "https://www.imdb.com/title/tt0033891/",
        "description": "<img onerror='alert(1)' src='foo' />"
      }
    ]
  },
  "meta": {
    "propertyDescriptors": [
      {
        "id": "title",
        "name": "Title",
        "visible": true,
        "displayer": {"id": "link", "propertyHref": "url"}
      },
      {
        "id": "description",
        "name": "Description",
        "visible": true,
        "displayer": "html"
      }
    ]
  }
}
{{/liveData}}

Patches

This has been patched in XWiki 14.10, 14.4.7, and 13.10.11.

Workarounds

No known workaround.

References

For more information

If you have any questions or comments about this advisory:

References

@tmortagne tmortagne published to xwiki/xwiki-platform Apr 12, 2023
Published to the GitHub Advisory Database Apr 12, 2023
Reviewed Apr 12, 2023
Published by the National Vulnerability Database Apr 16, 2023
Last updated Apr 26, 2023

Severity

High

CVSS overall score

This score calculates overall vulnerability severity from 0 to 10 and is based on the Common Vulnerability Scoring System (CVSS).
/ 10

CVSS v3 base metrics

Attack vector
Network
Attack complexity
Low
Privileges required
Low
User interaction
Required
Scope
Changed
Confidentiality
High
Integrity
High
Availability
Low

CVSS v3 base metrics

Attack vector: More severe the more the remote (logically and physically) an attacker can be in order to exploit the vulnerability.
Attack complexity: More severe for the least complex attacks.
Privileges required: More severe if no privileges are required.
User interaction: More severe when no user interaction is required.
Scope: More severe when a scope change occurs, e.g. one vulnerable component impacts resources in components beyond its security scope.
Confidentiality: More severe when loss of data confidentiality is highest, measuring the level of data access available to an unauthorized user.
Integrity: More severe when loss of data integrity is the highest, measuring the consequence of data modification possible by an unauthorized user.
Availability: More severe when the loss of impacted component availability is highest.
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:L

EPSS score

0.067%
(31st percentile)

Weaknesses

CVE ID

CVE-2023-29508

GHSA ID

GHSA-hmm7-6ph9-8jf2

Source code

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