CVE-2023-46732: Xwiki platform flamingo skin resources Cross-Site Scripting Vulnerability

CRITICAL
Advisory Identifier: GHSA-j9rc-w3wv-fv62
CVSS 9.6
CWE-80 CWE-79
Published
Advisory Summary

CVE-2023-46732 is a CRITICAL (CVSS 9.6) cross-site scripting vulnerability (CWE-80: Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS)) affecting Xwiki platform flamingo skin resources libraries in the Maven ecosystem. The issue involves xwiki platform vulnerable to reflected cross-site scripting through revision parameter in content menu. Remediation is available by upgrading affected packages to version 14.10.14, 15.5.1.

CVE-2023-46732 at a Glance

CVE Identifier CVE-2023-46732
GHSA Identifier GHSA-j9rc-w3wv-fv62
Severity CRITICAL
CVSS v3.1 Base Score 9.6
CWE Classification CWE-80: Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS)
Affected Product Xwiki platform flamingo skin resources
Package Ecosystem Maven
Published Date
Last Updated

Security Impact

CVSS: 9.6

The security impact metrics below are parsed directly from the CVSS v3.1 vector string (CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H).

Attack Vector Network (AV:N)
Attack Complexity Low (AC:L)
Privileges Required None (PR:N)
User Interaction Required (UI:R)
Scope Changed (S:C)
Confidentiality High (C:H)
Integrity High (I:H)
Availability High (A:H)

How to Fix CVE-2023-46732

To remediate this vulnerability, upgrade all affected Xwiki platform flamingo skin resources dependencies to a patched release. Both direct and transitive dependencies should be checked, as frameworks or security libraries may pull in vulnerable versions transitively.

org.xwiki.platform:xwiki-platform-flamingo-skin-resources fixed: 14.10.14
<dependency>
    <groupId>org.xwiki.platform</groupId>
    <artifactId>xwiki-platform-flamingo-skin-resources</artifactId>
    <version>14.10.14</version>
</dependency>
org.xwiki.platform:xwiki-platform-flamingo-skin-resources fixed: 15.5.1
<dependency>
    <groupId>org.xwiki.platform</groupId>
    <artifactId>xwiki-platform-flamingo-skin-resources</artifactId>
    <version>15.5.1</version>
</dependency>
Verify Direct and Transitive Dependencies

Run the following command in your project directory to verify that all resolved dependencies use the patched release:

mvn dependency:tree -Dincludes=org.xwiki.platform

How to Check if You Are Affected

To determine whether your Java application is affected by CVE-2023-46732, inspect your build dependencies using the Maven Dependency Plugin:

mvn dependency:tree -Dincludes=org.xwiki.platform

Analyze the terminal output to locate any version of Xwiki platform flamingo skin resources in your dependency tree. If any resolved version matches the vulnerable ranges listed in the table below (for example, versions earlier than 14.10.14), your application is affected.

Note: The mvn dependency:tree -Dincludes=org.xwiki.platform command inspects the resolved dependency graph declared in your project's POM files; it does not perform automated security scanning or inspect runtime dynamic classpaths. Always verify runtime container classpaths and shaded JARs.

Technical Details

Vulnerability Mechanism & Technical Analysis

This vulnerability is classified under CWE-80: Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS), where the product receives input from an upstream component, but it does not neutralize or incorrectly neutralizes special characters such as "<", ">", and "&" that could be interpreted as web-scripting elements when they are sent to a downstream component that processes web pages. In Xwiki platform flamingo skin resources, software state validation or input boundaries are circumvented during processing. Review the official source advisory statement below for specific affected components, classes, and reproduction details.

Source Advisory Statement

### Impact XWiki is vulnerable to reflected cross-site scripting (RXSS) via the `rev` parameter that is used in the content of the content menu without escaping. If an attacker can convince a user to visit a link with a crafted parameter, this allows the attacker to execute arbitrary actions in the name of the user, including remote code (Groovy) execution in the case of a user with programming right, compromising the confidentiality, integrity and availability of the whole XWiki installation. The vulnerability can be demonstrated by opening `<xwiki-host>/xwiki/bin/view/Main/?rev=xar%3Aorg.xwiki.platform%3Axwiki-platform-distribution-flavor-common%2F15.5%25%25%22%3e%3cscript%3ealert(1)%3c%2fscript%3e` where `<xwiki-host>` is the URL of your XWiki installation. If an alert is displayed, the installation is vulnerable. ### Patches This has been patched in XWiki 15.6 RC1, 15.5.1 and 14.10.14. ### Workarounds The [patch](https://github.com/xwiki/xwiki-platform/commit/04e325d57d4bcb6ab79bddcafbb19032474c2a55) can be manually applied without upgrading (or restarting) the instance. ### References * https://jira.xwiki.org/browse/XWIKI-21095 * https://github.com/xwiki/xwiki-platform/commit/04e325d57d4bcb6ab79bddcafbb19032474c2a55 ### Attribution We thank Agostino Parentela, Vulnerability Management Engineer of TicketOne S.p.A., [agostino.parentela@ticketone.it](mailto:agostino.parentela@ticketone.it) for reporting this vulnerability.

CVE-2023-46732 Affected Xwiki platform flamingo skin resources Versions

2 component(s)
Fixed Versions:
14.10.1415.5.1
Product / Package Ecosystem Affected Versions Fixed Version
org.xwiki.platform:xwiki-platform-flamingo-skin-resources
Maven
≥ 9.7-rc-1
< 14.10.14
14.10.14
org.xwiki.platform:xwiki-platform-flamingo-skin-resources
Maven
≥ 15.0-rc-1
< 15.5.1
15.5.1

References

Frequently Asked Questions

What is CVE-2023-46732?
CVE-2023-46732 is a security vulnerability in Xwiki platform flamingo skin resources involving XWiki Platform vulnerable to reflected cross-site scripting through revision parameter in content menu under CWE-80: Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS).
Which Xwiki platform flamingo skin resources versions are affected?
Affected versions include releases prior to 14.10.14, 15.5.1 across affected packages: org.xwiki.platform:xwiki-platform-flamingo-skin-resources.
What version fixes CVE-2023-46732?
Upgrading to 14.10.14, 15.5.1 (or the latest patched release for your respective branch) resolves the vulnerability.
Is xwiki-platform-flamingo-skin-resources affected?
Yes, org.xwiki.platform:xwiki-platform-flamingo-skin-resources is affected in releases prior to 14.10.14, 15.5.1. Upgrade your dependency to 14.10.14, 15.5.1 or later.
What is the CVSS score of CVE-2023-46732?
CVE-2023-46732 has a CVSS v3.1 base score of 9.6 (CRITICAL) with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H.
What CWE is associated with CVE-2023-46732?
CVE-2023-46732 is classified under CWE-80: Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS) (The product receives input from an upstream component, but it does not neutralize or incorrectly neutralizes special characters such as "<", ">", and "&" that could be interpreted as web-scripting elements when they are sent to a downstream component that processes web pages.).
How can I check Maven dependencies for CVE-2023-46732?
Run the dependency tree command: 'mvn dependency:tree -Dincludes=org.xwiki.platform'. This command lists direct and transitive dependencies in your build configuration so you can verify if a vulnerable version is resolved.
Machine-readable OSV JSON OSV v1.5 Schema
Normalized schema output
{
  "schema_version" : "1.4.0",
  "id" : "GHSA-j9rc-w3wv-fv62",
  "modified" : "2023-11-08T14:51:37Z",
  "published" : "2023-11-08T14:51:37Z",
  "aliases" : [ "CVE-2023-46732" ],
  "summary" : "XWiki Platform vulnerable to  reflected cross-site scripting through revision parameter in content menu",
  "details" : "### Impact\n\nXWiki is vulnerable to reflected cross-site scripting (RXSS) via the `rev` parameter that is used in the content of the content menu without escaping. If an attacker can convince a user to visit a link with a crafted parameter, this allows the attacker to execute arbitrary actions in the name of the user, including remote code (Groovy) execution in the case of a user with programming right, compromising the confidentiality, integrity and availability of the whole XWiki installation.\n\nThe vulnerability can be demonstrated by opening `<xwiki-host>/xwiki/bin/view/Main/?rev=xar%3Aorg.xwiki.platform%3Axwiki-platform-distribution-flavor-common%2F15.5%25%25%22%3e%3cscript%3ealert(1)%3c%2fscript%3e` where `<xwiki-host>` is the URL of your XWiki installation. If an alert is displayed, the installation is vulnerable.\n\n### Patches\nThis has been patched in XWiki 15.6 RC1, 15.5.1 and 14.10.14.\n\n### Workarounds\nThe [patch](https://github.com/xwiki/xwiki-platform/commit/04e325d57d4bcb6ab79bddcafbb19032474c2a55) can be manually applied without upgrading (or restarting) the instance.\n\n### References\n* https://jira.xwiki.org/browse/XWIKI-21095\n* https://github.com/xwiki/xwiki-platform/commit/04e325d57d4bcb6ab79bddcafbb19032474c2a55\n\n### Attribution\n\nWe thank Agostino Parentela, Vulnerability Management Engineer of TicketOne S.p.A., [agostino.parentela@ticketone.it](mailto:agostino.parentela@ticketone.it) for reporting this vulnerability.",
  "severity" : [ {
    "type" : "CVSS_V3",
    "score" : "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H"
  } ],
  "affected" : [ {
    "package" : {
      "ecosystem" : "Maven",
      "name" : "org.xwiki.platform:xwiki-platform-flamingo-skin-resources"
    },
    "ranges" : [ {
      "type" : "ECOSYSTEM",
      "events" : [ {
        "introduced" : "9.7-rc-1"
      }, {
        "fixed" : "14.10.14"
      } ]
    } ]
  }, {
    "package" : {
      "ecosystem" : "Maven",
      "name" : "org.xwiki.platform:xwiki-platform-flamingo-skin-resources"
    },
    "ranges" : [ {
      "type" : "ECOSYSTEM",
      "events" : [ {
        "introduced" : "15.0-rc-1"
      }, {
        "fixed" : "15.5.1"
      } ]
    } ]
  } ],
  "references" : [ {
    "type" : "WEB",
    "url" : "https://github.com/xwiki/xwiki-platform/security/advisories/GHSA-j9rc-w3wv-fv62"
  }, {
    "type" : "ADVISORY",
    "url" : "https://nvd.nist.gov/vuln/detail/CVE-2023-46732"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/xwiki/xwiki-platform/commit/04e325d57d4bcb6ab79bddcafbb19032474c2a55"
  }, {
    "type" : "PACKAGE",
    "url" : "https://github.com/xwiki/xwiki-platform"
  }, {
    "type" : "WEB",
    "url" : "https://jira.xwiki.org/browse/XWIKI-21095"
  } ],
  "database_specific" : {
    "cwe_ids" : [ "CWE-79", "CWE-80" ],
    "severity" : "CRITICAL",
    "github_reviewed" : true,
    "github_reviewed_at" : "2023-11-08T14:51:37Z",
    "nvd_published_at" : "2023-11-06T19:15:09Z"
  }
}