CVE-2026-5468: Github.com/casdoor/casdoor Cross-Site Scripting Vulnerability

LOW
Advisory Identifier: GHSA-w799-7525-rpr6
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CVSS 3.5
CWE-79
Published
Advisory Summary

CVE-2026-5468 is a LOW (CVSS 3.5) cross-site scripting vulnerability (CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')) affecting Github.com/casdoor/casdoor libraries in the Go ecosystem. The issue involves casdoor vulnerable to stored xss via application formcss / formsidehtml. Remediation is available in the latest vendor maintenance releases.

CVE-2026-5468 at a Glance

CVE Identifier CVE-2026-5468
GHSA Identifier GHSA-w799-7525-rpr6
Severity LOW
CVSS v3.1 Base Score 3.5
CWE Classification CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Affected Product Github.com/casdoor/casdoor
Package Ecosystem Go
Published Date
Last Updated

Security Impact

CVSS: 3.5

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

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

How to Fix CVE-2026-5468

To remediate this vulnerability, upgrade all affected Github.com/casdoor/casdoor dependencies to a patched release. Both direct and transitive dependencies should be checked, as frameworks or security libraries may pull in vulnerable versions transitively.

github.com/casdoor/casdoor fixed: Latest secure release 
Upgrade github.com/casdoor/casdoor to Latest secure release
Verify Direct and Transitive Dependencies

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

inspect dependencies for github.com/casdoor/casdoor

How to Check if You Are Affected

To determine whether your application is affected by CVE-2026-5468, inspect your project dependencies for Github.com/casdoor/casdoor:

inspect dependencies for github.com/casdoor/casdoor

Analyze the terminal output to locate any version of Github.com/casdoor/casdoor in your dependency tree. If any resolved version matches the vulnerable ranges listed in the table below (for example, versions earlier than the patched release), your application is affected.

Note: Verify declared build manifests and deployed runtime container environments.

Technical Details

Vulnerability Mechanism & Technical Analysis

This vulnerability is classified under CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting'), where the product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users. In Github.com/casdoor/casdoor, 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

A security flaw has been discovered in Casdoor 2.356.0. This affects the function dangerouslySetInnerHTML. Performing a manipulation of the argument formCss/formCssMobile/formSideHtml results in cross site scripting. The attack can be initiated remotely. The exploit has been released to the public and may be used for attacks. The vendor was contacted early about this disclosure but did not respond in any way.

CVE-2026-5468 Affected Github.com/casdoor/casdoor Versions

1 component(s)
Product / Package Ecosystem Affected Versions Fixed Version
github.com/casdoor/casdoor
golang/github.com/casdoor/casdoor
Go
≤ 1.1000.0

References

NVD — CVE-2026-5468 NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-5468
Github.com/casdoor/casdoor Source Repository REPOSITORY
https://github.com/casdoor/casdoor
vuldb.com/submit/781770 WEB
https://vuldb.com/submit/781770
vuldb.com/vuln/355072 WEB
https://vuldb.com/vuln/355072
vuldb.com/vuln/355072/cti WEB
https://vuldb.com/vuln/355072/cti

Frequently Asked Questions

What is CVE-2026-5468?
CVE-2026-5468 is a security vulnerability in Github.com/casdoor/casdoor involving Casdoor vulnerable to Stored XSS via Application formCss / formSideHtml under CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting').
Which Github.com/casdoor/casdoor versions are affected?
Affected versions include releases prior to current release patches across affected packages: github.com/casdoor/casdoor.
What version fixes CVE-2026-5468?
Upgrading to current release patches (or the latest patched release for your respective branch) resolves the vulnerability.
Is github.com/casdoor/casdoor affected?
Yes, github.com/casdoor/casdoor is affected in releases prior to Latest secure release. Upgrade your dependency to Latest secure release or later.
What is the CVSS score of CVE-2026-5468?
CVE-2026-5468 has a CVSS v3.1 base score of 3.5 (LOW) with vector string CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N.
What CWE is associated with CVE-2026-5468?
CVE-2026-5468 is classified under CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') (The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.).
How can I check Go dependencies for CVE-2026-5468?
Run the dependency tree command: 'inspect dependencies for github.com/casdoor/casdoor'. 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
View Raw JSON 
{
  "schema_version" : "1.4.0",
  "id" : "GHSA-w799-7525-rpr6",
  "modified" : "2026-04-10T15:36:39Z",
  "published" : "2026-04-03T15:30:31Z",
  "aliases" : [ "CVE-2026-5468" ],
  "summary" : "Casdoor vulnerable to Stored XSS via Application formCss / formSideHtml",
  "details" : "A security flaw has been discovered in Casdoor 2.356.0. This affects the function dangerouslySetInnerHTML. Performing a manipulation of the argument formCss/formCssMobile/formSideHtml results in cross site scripting. The attack can be initiated remotely. The exploit has been released to the public and may be used for attacks. The vendor was contacted early about this disclosure but did not respond in any way.",
  "severity" : [ {
    "type" : "CVSS_V3",
    "score" : "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N"
  }, {
    "type" : "CVSS_V4",
    "score" : "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:P"
  } ],
  "affected" : [ {
    "package" : {
      "ecosystem" : "Go",
      "name" : "github.com/casdoor/casdoor"
    },
    "ranges" : [ {
      "type" : "ECOSYSTEM",
      "events" : [ {
        "introduced" : "0"
      }, {
        "last_affected" : "1.1000.0"
      } ]
    } ]
  } ],
  "references" : [ {
    "type" : "ADVISORY",
    "url" : "https://nvd.nist.gov/vuln/detail/CVE-2026-5468"
  }, {
    "type" : "PACKAGE",
    "url" : "https://github.com/casdoor/casdoor"
  }, {
    "type" : "WEB",
    "url" : "https://vuldb.com/submit/781770"
  }, {
    "type" : "WEB",
    "url" : "https://vuldb.com/vuln/355072"
  }, {
    "type" : "WEB",
    "url" : "https://vuldb.com/vuln/355072/cti"
  } ],
  "database_specific" : {
    "cwe_ids" : [ "CWE-79" ],
    "severity" : "LOW",
    "github_reviewed" : true,
    "github_reviewed_at" : "2026-04-10T15:36:39Z",
    "nvd_published_at" : "2026-04-03T14:16:33Z"
  }
}