CVE-2024-27499: Bagisto/bagisto Cross-Site Scripting Vulnerability

MODERATE
Advisory Identifier: GHSA-w5mx-334j-6fwv
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CVSS 6.5
CWE-79
Published
Advisory Summary

CVE-2024-27499 is a MODERATE (CVSS 6.5) cross-site scripting vulnerability (CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')) affecting Bagisto/bagisto libraries in the Packagist ecosystem. The issue involves bagist cross-site scripting vulnerability. Remediation is available by upgrading affected packages to version 2.1.0.

CVE-2024-27499 at a Glance

CVE Identifier CVE-2024-27499
GHSA Identifier GHSA-w5mx-334j-6fwv
Severity MODERATE
CVSS v3.1 Base Score 6.5
CWE Classification CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Affected Product Bagisto/bagisto
Package Ecosystem Packagist
Published Date
Last Updated

Security Impact

CVSS: 6.5

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:C/C:L/I:L/A:L).

Attack Vector Network (AV:N)
Attack Complexity Low (AC:L)
Privileges Required Low (PR:L)
User Interaction Required (UI:R)
Scope Changed (S:C)
Confidentiality Low (C:L)
Integrity Low (I:L)
Availability Low (A:L)

How to Fix CVE-2024-27499

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

bagisto/bagisto fixed: 2.1.0 
Upgrade bagisto/bagisto to 2.1.0
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 bagisto/bagisto

How to Check if You Are Affected

To determine whether your application is affected by CVE-2024-27499, inspect your project dependencies for Bagisto/bagisto:

inspect dependencies for bagisto/bagisto

Analyze the terminal output to locate any version of Bagisto/bagisto in your dependency tree. If any resolved version matches the vulnerable ranges listed in the table below (for example, versions earlier than 2.1.0), 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 Bagisto/bagisto, 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

Bagisto is vulnerable to cross-site scripting (XSS) via png file upload vulnerability in product review option.

CVE-2024-27499 Affected Bagisto/bagisto Versions

1 component(s)
Fixed Versions:
2.1.0
Product / Package Ecosystem Affected Versions Fixed Version
bagisto/bagisto
 Packagist
< 2.1.0
2.1.0

References

NVD — CVE-2024-27499 NVD
https://nvd.nist.gov/vuln/detail/CVE-2024-27499
Bagisto/bagisto Source Repository REPOSITORY
https://github.com/bagisto/bagisto/pull/9474
Security Fix Commit FIX COMMIT
https://github.com/bagisto/bagisto/commit/b01bfc5fab3933a132380f36cb2e9670d2310baf
Bagisto/bagisto Source Repository REPOSITORY
https://github.com/Ek-Saini/security/blob/main/xss-bagisto-v1.5.1
Bagisto/bagisto Source Repository REPOSITORY
https://github.com/auspicious7/Vulnerability-Discover/blob/main/CVE-2024-27499_bagisto-V-1.5.1
Bagisto/bagisto Source Repository REPOSITORY
https://github.com/bagisto/bagisto

Frequently Asked Questions

What is CVE-2024-27499?
CVE-2024-27499 is a security vulnerability in Bagisto/bagisto involving Bagist Cross-site Scripting vulnerability under CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting').
Which Bagisto/bagisto versions are affected?
Affected versions include releases prior to 2.1.0 across affected packages: bagisto/bagisto.
What version fixes CVE-2024-27499?
Upgrading to 2.1.0 (or the latest patched release for your respective branch) resolves the vulnerability.
Is bagisto/bagisto affected?
Yes, bagisto/bagisto is affected in releases prior to 2.1.0. Upgrade your dependency to 2.1.0 or later.
What is the CVSS score of CVE-2024-27499?
CVE-2024-27499 has a CVSS v3.1 base score of 6.5 (MODERATE) with vector string CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:L.
What CWE is associated with CVE-2024-27499?
CVE-2024-27499 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 CVE-2024-27499?
Run the dependency tree command: 'inspect dependencies for bagisto/bagisto'. 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-w5mx-334j-6fwv",
  "modified" : "2025-08-11T18:36:50Z",
  "published" : "2024-03-01T18:30:23Z",
  "aliases" : [ "CVE-2024-27499" ],
  "summary" : "Bagist Cross-site Scripting vulnerability",
  "details" : "Bagisto is vulnerable to cross-site scripting (XSS) via png file upload vulnerability in product review option.",
  "severity" : [ {
    "type" : "CVSS_V3",
    "score" : "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:L"
  }, {
    "type" : "CVSS_V4",
    "score" : "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:L/SI:L/SA:L"
  } ],
  "affected" : [ {
    "package" : {
      "ecosystem" : "Packagist",
      "name" : "bagisto/bagisto"
    },
    "ranges" : [ {
      "type" : "ECOSYSTEM",
      "events" : [ {
        "introduced" : "0"
      }, {
        "fixed" : "2.1.0"
      } ]
    } ]
  } ],
  "references" : [ {
    "type" : "ADVISORY",
    "url" : "https://nvd.nist.gov/vuln/detail/CVE-2024-27499"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/bagisto/bagisto/pull/9474"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/bagisto/bagisto/commit/b01bfc5fab3933a132380f36cb2e9670d2310baf"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/Ek-Saini/security/blob/main/xss-bagisto-v1.5.1"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/auspicious7/Vulnerability-Discover/blob/main/CVE-2024-27499_bagisto-V-1.5.1"
  }, {
    "type" : "PACKAGE",
    "url" : "https://github.com/bagisto/bagisto"
  } ],
  "database_specific" : {
    "cwe_ids" : [ "CWE-79" ],
    "severity" : "MODERATE",
    "github_reviewed" : true,
    "github_reviewed_at" : "2024-03-01T20:08:03Z",
    "nvd_published_at" : "2024-03-01T16:15:46Z"
  }
}