GHSA-52xf-h226-pfgx: Leantime/leantime Cross-Site Scripting Vulnerability

MODERATE
Share
CWE-79
Published
Advisory Summary

GHSA-52xf-h226-pfgx is a MODERATE cross-site scripting vulnerability (CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')) affecting Leantime/leantime libraries in the Packagist ecosystem. The issue involves leantime allows refelected cross-site scripting (xss). Remediation is available by upgrading affected packages to version 3.3.

GHSA-52xf-h226-pfgx at a Glance

CVE Identifier N/A
GHSA Identifier GHSA-52xf-h226-pfgx
Severity MODERATE
CVSS v3.1 Base Score N/A
CWE Classification CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Affected Product Leantime/leantime
Package Ecosystem Packagist
Published Date
Last Updated

How to Fix GHSA-52xf-h226-pfgx

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

leantime/leantime fixed: 3.3 
Upgrade leantime/leantime to 3.3
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 leantime/leantime

How to Check if You Are Affected

To determine whether your application is affected by GHSA-52xf-h226-pfgx, inspect your project dependencies for Leantime/leantime:

inspect dependencies for leantime/leantime

Analyze the terminal output to locate any version of Leantime/leantime in your dependency tree. If any resolved version matches the vulnerable ranges listed in the table below (for example, versions earlier than 3.3), 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 Leantime/leantime, 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

### Summary The vulnerability in Leantime's "overdue" section allows attackers to upload malicious image files containing XSS payloads. When other users view these files, the scripts execute, enabling attackers to steal sensitive information or perform unauthorized actions. Improving input validation and output encoding in the file upload process can prevent this exploit. Accessing and enhancing the relevant source code modules is crucial for addressing this security flaw effectively. ### Impact This XSS vulnerability allows attackers to inject malicious scripts into the Leantime application, compromising user data, session tokens, and potentially executing unauthorized actions on behalf of users. Exploitation could lead to account takeover, data theft, and unauthorized access to sensitive information, posing a significant risk to user privacy, data integrity, and system security.

GHSA-52xf-h226-pfgx Affected Leantime/leantime Versions

1 component(s)
Fixed Versions:
3.3
Product / Package Ecosystem Affected Versions Fixed Version
leantime/leantime
 Packagist
< 3.3
3.3

References

GitHub Advisory / Wiki ADVISORY
https://github.com/Leantime/leantime/security/advisories/GHSA-52xf-h226-pfgx
Leantime/leantime Source Repository REPOSITORY
https://github.com/Leantime/leantime

Frequently Asked Questions

What is GHSA-52xf-h226-pfgx?
GHSA-52xf-h226-pfgx is a security vulnerability in Leantime/leantime involving Leantime allows Refelected Cross-Site Scripting (XSS) under CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting').
Which Leantime/leantime versions are affected?
Affected versions include releases prior to 3.3 across affected packages: leantime/leantime.
What version fixes GHSA-52xf-h226-pfgx?
Upgrading to 3.3 (or the latest patched release for your respective branch) resolves the vulnerability.
Is leantime/leantime affected?
Yes, leantime/leantime is affected in releases prior to 3.3. Upgrade your dependency to 3.3 or later.
What CWE is associated with GHSA-52xf-h226-pfgx?
GHSA-52xf-h226-pfgx 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 Packagist dependencies for GHSA-52xf-h226-pfgx?
Run the dependency tree command: 'inspect dependencies for leantime/leantime'. 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-52xf-h226-pfgx",
  "modified" : "2025-02-21T22:15:26Z",
  "published" : "2025-02-21T22:15:26Z",
  "aliases" : [ ],
  "summary" : "Leantime allows Refelected Cross-Site Scripting (XSS)",
  "details" : "### Summary\nThe vulnerability in Leantime's \"overdue\" section allows attackers to upload malicious image files containing XSS payloads. When other users view these files, the scripts execute, enabling attackers to steal sensitive information or perform unauthorized actions. Improving input validation and output encoding in the file upload process can prevent this exploit. Accessing and enhancing the relevant source code modules is crucial for addressing this security flaw effectively.\n\n### Impact\nThis XSS vulnerability allows attackers to inject malicious scripts into the Leantime application, compromising user data, session tokens, and potentially executing unauthorized actions on behalf of users. Exploitation could lead to account takeover, data theft, and unauthorized access to sensitive information, posing a significant risk to user privacy, data integrity, and system security.",
  "severity" : [ {
    "type" : "CVSS_V4",
    "score" : "CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:P/VC:L/VI:H/VA:N/SC:N/SI:N/SA:N"
  } ],
  "affected" : [ {
    "package" : {
      "ecosystem" : "Packagist",
      "name" : "leantime/leantime"
    },
    "ranges" : [ {
      "type" : "ECOSYSTEM",
      "events" : [ {
        "introduced" : "0"
      }, {
        "fixed" : "3.3"
      } ]
    } ]
  } ],
  "references" : [ {
    "type" : "WEB",
    "url" : "https://github.com/Leantime/leantime/security/advisories/GHSA-52xf-h226-pfgx"
  }, {
    "type" : "PACKAGE",
    "url" : "https://github.com/Leantime/leantime"
  } ],
  "database_specific" : {
    "cwe_ids" : [ "CWE-79" ],
    "severity" : "MODERATE",
    "github_reviewed" : true,
    "github_reviewed_at" : "2025-02-21T22:15:26Z",
    "nvd_published_at" : null
  }
}