CVE-2021-44566: Francoisjacquet/rosariosis Cross Site Scripting Vulnerability

MODERATE
Advisory Identifier: GHSA-3756-hwhv-qw58
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CVSS 5.4
CWE-79
Published
Advisory Summary

CVE-2021-44566 is a MODERATE (CVSS 5.4) cross site scripting vulnerability (CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')) affecting Francoisjacquet/rosariosis libraries in the Packagist ecosystem. The issue involves cross site scripting in francoisjacquet/rosariosis. Remediation is available by upgrading affected packages to version 4.3.

CVE-2021-44566 at a Glance

CVE Identifier CVE-2021-44566
GHSA Identifier GHSA-3756-hwhv-qw58
Severity MODERATE
CVSS v3.1 Base Score 5.4
CWE Classification CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Affected Product Francoisjacquet/rosariosis
Package Ecosystem Packagist
Published Date
Last Updated

Security Impact

CVSS: 5.4

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:N).

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 None (A:N)

How to Fix CVE-2021-44566

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

francoisjacquet/rosariosis fixed: 4.3 
Upgrade francoisjacquet/rosariosis to 4.3
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 francoisjacquet/rosariosis

How to Check if You Are Affected

To determine whether your application is affected by CVE-2021-44566, inspect your project dependencies for Francoisjacquet/rosariosis:

inspect dependencies for francoisjacquet/rosariosis

Analyze the terminal output to locate any version of Francoisjacquet/rosariosis in your dependency tree. If any resolved version matches the vulnerable ranges listed in the table below (for example, versions earlier than 4.3), 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 Francoisjacquet/rosariosis, 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 Cross Site Scripting vulnerability exists RosarioSIS before 4.3 via the SanitizeMarkDown function in ProgramFunctions/MarkDownHTML.fnc.php.

CVE-2021-44566 Affected Francoisjacquet/rosariosis Versions

1 component(s)
Fixed Versions:
4.3
Product / Package Ecosystem Affected Versions Fixed Version
francoisjacquet/rosariosis
 Packagist
< 4.3
4.3

References

NVD — CVE-2021-44566 NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-44566
gitlab.com/francoisjacquet/ros... PACKAGE
https://gitlab.com/francoisjacquet/rosariosis
gitlab.com/francoisjacquet/ros... WEB
https://gitlab.com/francoisjacquet/rosariosis/-/blob/mobile/CHANGES_V3_4.md#changes-in-43
gitlab.com/francoisjacquet/ros... WEB
https://gitlab.com/francoisjacquet/rosariosis/-/commit/81886abb45a32e802151660de674f084afaef3aa
gitlab.com/francoisjacquet/ros... WEB
https://gitlab.com/francoisjacquet/rosariosis/-/issues/259

Frequently Asked Questions

What is CVE-2021-44566?
CVE-2021-44566 is a security vulnerability in Francoisjacquet/rosariosis involving Cross site scripting in francoisjacquet/rosariosis under CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting').
Which Francoisjacquet/rosariosis versions are affected?
Affected versions include releases prior to 4.3 across affected packages: francoisjacquet/rosariosis.
What version fixes CVE-2021-44566?
Upgrading to 4.3 (or the latest patched release for your respective branch) resolves the vulnerability.
Is francoisjacquet/rosariosis affected?
Yes, francoisjacquet/rosariosis is affected in releases prior to 4.3. Upgrade your dependency to 4.3 or later.
What is the CVSS score of CVE-2021-44566?
CVE-2021-44566 has a CVSS v3.1 base score of 5.4 (MODERATE) with vector string CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N.
What CWE is associated with CVE-2021-44566?
CVE-2021-44566 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-2021-44566?
Run the dependency tree command: 'inspect dependencies for francoisjacquet/rosariosis'. 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-3756-hwhv-qw58",
  "modified" : "2022-03-04T21:38:43Z",
  "published" : "2022-02-25T00:01:08Z",
  "aliases" : [ "CVE-2021-44566" ],
  "summary" : "Cross site scripting in francoisjacquet/rosariosis",
  "details" : "A Cross Site Scripting vulnerability exists RosarioSIS before 4.3 via the SanitizeMarkDown function in ProgramFunctions/MarkDownHTML.fnc.php.",
  "severity" : [ {
    "type" : "CVSS_V3",
    "score" : "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N"
  } ],
  "affected" : [ {
    "package" : {
      "ecosystem" : "Packagist",
      "name" : "francoisjacquet/rosariosis"
    },
    "ranges" : [ {
      "type" : "ECOSYSTEM",
      "events" : [ {
        "introduced" : "0"
      }, {
        "fixed" : "4.3"
      } ]
    } ]
  } ],
  "references" : [ {
    "type" : "ADVISORY",
    "url" : "https://nvd.nist.gov/vuln/detail/CVE-2021-44566"
  }, {
    "type" : "PACKAGE",
    "url" : "https://gitlab.com/francoisjacquet/rosariosis"
  }, {
    "type" : "WEB",
    "url" : "https://gitlab.com/francoisjacquet/rosariosis/-/blob/mobile/CHANGES_V3_4.md#changes-in-43"
  }, {
    "type" : "WEB",
    "url" : "https://gitlab.com/francoisjacquet/rosariosis/-/commit/81886abb45a32e802151660de674f084afaef3aa"
  }, {
    "type" : "WEB",
    "url" : "https://gitlab.com/francoisjacquet/rosariosis/-/issues/259"
  } ],
  "database_specific" : {
    "cwe_ids" : [ "CWE-79" ],
    "severity" : "MODERATE",
    "github_reviewed" : true,
    "github_reviewed_at" : "2022-03-01T20:47:42Z",
    "nvd_published_at" : "2022-02-24T15:15:00Z"
  }
}