Vulnerability-Lookup

CVE-2023-30537 (GCVE-0-2023-30537)

Vulnerability from cvelistv5 – Published: 2023-04-16 07:06 – Updated: 2025-02-06 17:05

Title

org.xwiki.platform:xwiki-platform-flamingo-theme-ui vulnerable to privilege escalation

Summary

XWiki Platform is a generic wiki platform offering runtime services for applications built on top of it. Any user with the right to add an object on a page can execute arbitrary Groovy, Python or Velocity code in XWiki leading to full access to the XWiki installation. The root cause is improper escaping of the styles properties `FlamingoThemesCode.WebHome`. This page is installed by default. The vulnerability has been patched in XWiki versions 13.10.11, 14.4.7 and 14.10.

Severity

9.9 (Critical)


                        
                          CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:L

SSVC

Exploitation: poc Automatable: no Technical Impact: total

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2025-02-06 17:05 UTC

CWE

CWE-95 - Improper Neutralization of Directives in Dynamically Evaluated Code ('Eval Injection')

Assigner

GitHub_M mitre root

References

3 references

URL	Tags
https://github.com/xwiki/xwiki-platform/security/…	x_refsource_CONFIRM
https://github.com/xwiki/xwiki-platform/commit/df…	x_refsource_MISC
https://jira.xwiki.org/browse/XWIKI-20280	x_refsource_MISC

Impacted products

1 product

Vendor	Product	Version	CPE status
xwiki	xwiki-platform	Affected: >= 12.6.6, < 13.10.11 Affected: >= 14.0-rc-1, < 14.4.7 Affected: >= 14.5, < 14.10	guessed

Show details on NVD website

JSON

To clipboard

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}

FKIE_CVE-2023-30537

Vulnerability from fkie_nvd - Published: 2023-04-16 08:15 - Updated: 2026-06-17 05:54

Severity

9.9 (Critical) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:L
8.8 (High) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Summary

References

URL	Tags
security-advisories@github.com	https://github.com/xwiki/xwiki-platform/commit/df596f15368342236f8899ca122af8f3df0fe2e8	Patch
security-advisories@github.com	https://github.com/xwiki/xwiki-platform/security/advisories/GHSA-vrr8-fp7c-7qgp	Exploit, Patch, Vendor Advisory
security-advisories@github.com	https://jira.xwiki.org/browse/XWIKI-20280	Exploit, Issue Tracking, Patch, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108	https://github.com/xwiki/xwiki-platform/commit/df596f15368342236f8899ca122af8f3df0fe2e8	Patch
af854a3a-2127-422b-91ae-364da2661108	https://github.com/xwiki/xwiki-platform/security/advisories/GHSA-vrr8-fp7c-7qgp	Exploit, Patch, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108	https://jira.xwiki.org/browse/XWIKI-20280	Exploit, Issue Tracking, Patch, Vendor Advisory

Impacted products

Vendor	Product	Version
xwiki	xwiki	*
xwiki	xwiki	*
xwiki	xwiki	*

JSON

To clipboard

{
  "affected": [
    {
      "affectedData": [
        {
          "product": "xwiki-platform",
          "vendor": "xwiki",
          "versions": [
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GHSA-VRR8-FP7C-7QGP

Vulnerability from github – Published: 2023-04-12 20:36 – Updated: 2023-04-18 14:35

Summary

org.xwiki.platform:xwiki-platform-flamingo-theme-ui vulnerable to privilege escalation

Details

Impact

Any user with the right to add an object on a page can execute arbitrary Groovy, Python or Velocity code in XWiki leading to full access to the XWiki installation. The root cause is improper escaping of the styles properties FlamingoThemesCode.WebHome. This page is installed by default.

Reproduction Steps

Steps to reproduce:

As a user without script or programming rights, edit your user profile with the object editor (enable advanced mode if necessary to get access) and add an object of type "Theme Class" of "FlamingoThemesCode". In the field "body-bg" (all other fields should work, too) add the following text:

{{/html}} {{async async="true" cached="false" context="doc.reference"}}{{groovy}}println("Hello " + "from groovy!"){{/groovy}}{{/async}}

Click "Save & View"
Open /xwiki/bin/view/FlamingoThemesCode/WebHomeSheet where is the URL of your XWiki installation

Expected result:

The list of color themes either doesn't include the user's profile or displays a regular preview.

Actual result:

The user's profile is listed as color theme but instead of the little preview the message

Failed to execute the [html] macro. Cause: [When using HTML content inline, you can only use inline HTML content. Block HTML content (such as tables) cannot be displayed. Try leaving an empty line before and after the macro.]. Click on this message for details.
Hello from groovy!">

is displayed. This shows that a Groovy macro with content created by the user has been executed and thus demonstrates a privilege escalation from simple user account to programming rights.

Patches

The vulnerability has been patched in XWiki 13.10.11, 14.4.7 and 14.10.

Workarounds

The issue can be fixed by applying this patch on FlamingoThemesCode.WebHomeSheet.

References

patch: https://github.com/xwiki/xwiki-platform/commit/df596f15368342236f8899ca122af8f3df0fe2e8
Jira: https://jira.xwiki.org/browse/XWIKI-20280

For more information

If you have any questions or comments about this advisory:

Open an issue in Jira XWiki.org
Email us at Security Mailing List

Severity

9.9 (Critical)


                  
                    CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:L

Show details on source website

JSON

To clipboard

{
  "affected": [
    {
      "package": {
        "ecosystem": "Maven",
        "name": "org.xwiki.platform:xwiki-platform-flamingo-theme-ui"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "12.6.6"
            },
            {
              "fixed": "13.10.11"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Maven",
        "name": "org.xwiki.platform:xwiki-platform-flamingo-theme-ui"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "14.0-rc-1"
            },
            {
              "fixed": "14.4.7"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Maven",
        "name": "org.xwiki.platform:xwiki-platform-flamingo-theme-ui"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "14.5"
            },
            {
              "fixed": "14.10"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2023-30537"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-94",
      "CWE-95"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2023-04-12T20:36:51Z",
    "nvd_published_at": "2023-04-16T08:15:00Z",
    "severity": "CRITICAL"
  },
  "details": "### Impact\n\nAny user with the right to add an object on a page can execute arbitrary Groovy, Python or Velocity code in XWiki leading to full access to the XWiki installation. The root cause is improper escaping of the styles properties `FlamingoThemesCode.WebHome`. This page is installed by default.\n\n#### Reproduction Steps\n\n**Steps to reproduce**:\n\n- As a user without script or programming rights, edit your user profile with the object editor (enable advanced mode if necessary to get access) and add an object of type \"Theme Class\" of \"FlamingoThemesCode\". In the field \"body-bg\" (all other fields should work, too) add the following text:\n\n`{{/html}} {{async async=\"true\" cached=\"false\" context=\"doc.reference\"}}{{groovy}}println(\"Hello \" + \"from groovy!\"){{/groovy}}{{/async}}`\n\n- Click \"Save \u0026 View\"\n- Open \u003cxwiki-host\u003e/xwiki/bin/view/FlamingoThemesCode/WebHomeSheet where \u003cxwiki-host\u003e is the URL of your XWiki installation\n\n**Expected result**:\n\nThe list of color themes either doesn\u0027t include the user\u0027s profile or displays a regular preview.\n\n**Actual result**:\n\nThe user\u0027s profile is listed as color theme but instead of the little preview the message\n\n```\nFailed to execute the [html] macro. Cause: [When using HTML content inline, you can only use inline HTML content. Block HTML content (such as tables) cannot be displayed. Try leaving an empty line before and after the macro.]. Click on this message for details.\nHello from groovy!\"\u003e\n```\n\nis displayed. This shows that a Groovy macro with content created by the user has been executed and thus demonstrates a privilege escalation from simple user account to programming rights.\n\n\n### Patches\nThe vulnerability has been patched in XWiki 13.10.11, 14.4.7 and 14.10.\n\n### Workarounds\nThe issue can be fixed by applying this [patch](https://github.com/xwiki/xwiki-platform/commit/df596f15368342236f8899ca122af8f3df0fe2e8#diff-e2153fa59f9d92ef67b0afbf27984bd17170921a3b558fac227160003d0dfd2a) on `FlamingoThemesCode.WebHomeSheet`.\n\n### References\n- patch: https://github.com/xwiki/xwiki-platform/commit/df596f15368342236f8899ca122af8f3df0fe2e8\n- Jira: https://jira.xwiki.org/browse/XWIKI-20280\n\n### For more information\nIf you have any questions or comments about this advisory:\n\n*    Open an issue in [Jira XWiki.org](https://jira.xwiki.org/)\n*    Email us at [Security Mailing List](mailto:security@xwiki.org)",
  "id": "GHSA-vrr8-fp7c-7qgp",
  "modified": "2023-04-18T14:35:21Z",
  "published": "2023-04-12T20:36:51Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://github.com/xwiki/xwiki-platform/security/advisories/GHSA-vrr8-fp7c-7qgp"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2023-30537"
    },
    {
      "type": "WEB",
      "url": "https://github.com/xwiki/xwiki-platform/commit/df596f15368342236f8899ca122af8f3df0fe2e8"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/xwiki/xwiki-platform"
    },
    {
      "type": "WEB",
      "url": "https://jira.xwiki.org/browse/XWIKI-20280"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:L",
      "type": "CVSS_V3"
    }
  ],
  "summary": "org.xwiki.platform:xwiki-platform-flamingo-theme-ui vulnerable to privilege escalation"
}

GSD-2023-30537

Vulnerability from gsd - Updated: 2023-12-13 01:20

Details

Aliases

CVE-2023-30537

Aliases

CVE-2023-30537

JSON

To clipboard

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}

Sightings

Author	Source	Type	Date	Other

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

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Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.

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CVE-2023-30537 (GCVE-0-2023-30537)

FKIE_CVE-2023-30537

GHSA-VRR8-FP7C-7QGP

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For more information

GSD-2023-30537

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Related by attack behaviour