CVE-2023-26480

XWiki-Platform vulnerable to stored Cross-site Scripting via the HTML displayer in Live Data

8.9 HighFix available

XWiki Platform is a generic wiki platform. Starting in version 12.10, a user without script rights can introduce a stored cross-site scripting by using the Live Data macro. This has been patched in XWiki 14.9, 14.4.7, and 13.10.10. There are no known workarounds.

Attack profile

How easy it is to exploit

Attack vector: Network
Complexity: Low
Privileges needed: Low
User interaction: Required

What an attacker can affect

Confidentiality: High
Integrity: High
Availability: Low

Exploit likelihood

0.67%Down 0.3 points since Mar 3, 2023

What each source reports

CVE List Score used 8.9

XWiki-Platform vulnerable to stored Cross-site Scripting via the HTML displayer in Live Data

Record: CVE-2023-26480
CVSS 3.1: 8.9 HighCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:L
Weakness: CWE-79
Updated: 2026-11-02

EUVDEUVD-2023-0840 8.9

Record: EUVD-2023-0840
CVSS 3.1: 8.9 HighCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:L
Updated: 2026-11-02

GitHub AdvisoriesGHSA-32fq-m2q5-h83g 8.9

XWiki-Platform vulnerable to stored Cross-site Scripting via the HTML displayer in Live Data

Impact

A user without script rights can introduce a stored XSS by using the Live Data macro.

For instance:

{{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 14.9, 14.4.7, and 13.10.10.

Workarounds

No known workaround.

References

https://jira.xwiki.org/browse/XWIKI-20143

For more information

If you have any questions or comments about this advisory:

Open an issue in Jira
Email us at Security ML

Record: GHSA-32fq-m2q5-h83g
CVSS 3.1: 8.9 HighCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:L
Weakness: CWE-79
Updated: 2026-11-02

NVD 8.9

Record: CVE-2023-26480
CVSS 3.1: 8.9 HighCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:L
CVSS 3.1: 5.4 MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
Weakness: CWE-79
Updated: 2026-11-02

OSV 8.9

XWiki-Platform vulnerable to stored Cross-site Scripting via the HTML displayer in Live Data

Record: CVE-2023-26480
CVSS 3.1: 8.9 HighCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:L
Weakness: CWE-79
Updated: 2026-11-02

OSVGHSA-32fq-m2q5-h83g 8.9

XWiki-Platform vulnerable to stored Cross-site Scripting via the HTML displayer in Live Data

Impact

A user without script rights can introduce a stored XSS by using the Live Data macro.

For instance:

{{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 14.9, 14.4.7, and 13.10.10.

Workarounds

No known workaround.

References

https://jira.xwiki.org/browse/XWIKI-20143

For more information

If you have any questions or comments about this advisory:

Open an issue in Jira
Email us at Security ML

Record: GHSA-32fq-m2q5-h83g
CVSS 3.1: 8.9 HighCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:L
Weakness: CWE-79
Updated: 2026-11-02

Affected products

Affected packages

Affected packages
Package	Affected	Fixed
`org.xwiki.platform:xwiki-platform-livedata-macro` Maven	12.10 up to 13.10.10	13.10.10
`org.xwiki.platform:xwiki-platform-livedata-macro` Maven	14.0 up to 14.4.7	14.4.7
`org.xwiki.platform:xwiki-platform-livedata-macro` Maven	14.5 up to 14.9	14.9

History

History
Recorded	Changed	Sources
Nov 2, 2026	first indexed	CVE List, EUVD, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2023-26480 is a high vulnerability (CVSS 8.9) in Xwiki, published March 2, 2023. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.67%, the 52nd percentile. Fixed in org.xwiki.platform:xwiki-platform-livedata-macro 13.10.10.