CVE-2020-15721: Francoisjacquet/rosariosis Cross-Site Scripting Vulnerability

MODERATE
Advisory Identifier: GHSA-6vc5-v7hw-h5h2
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CVSS 6.1
CWE-79
Published
Advisory Summary

CVE-2020-15721 is a MODERATE (CVSS 6.1) 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 rosariosis. Remediation is available by upgrading affected packages to version 6.8.

CVE-2020-15721 at a Glance

CVE Identifier CVE-2020-15721
GHSA Identifier GHSA-6vc5-v7hw-h5h2
Severity MODERATE
CVSS v3.1 Base Score 6.1
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: 6.1

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:L/I:L/A:N).

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 Low (C:L)
Integrity Low (I:L)
Availability None (A:N)

How to Fix CVE-2020-15721

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: 6.8 
Upgrade francoisjacquet/rosariosis to 6.8
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-2020-15721, 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 6.8), 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

RosarioSIS through 6.8-beta allows modules/Custom/NotifyParents.php XSS because of the href attributes for AddStudents.php and User.php.

CVE-2020-15721 Affected Francoisjacquet/rosariosis Versions

1 component(s)
Fixed Versions:
6.8
Product / Package Ecosystem Affected Versions Fixed Version
francoisjacquet/rosariosis
 Packagist
< 6.8
6.8

References

NVD — CVE-2020-15721 NVD
https://nvd.nist.gov/vuln/detail/CVE-2020-15721
gitlab.com/francoisjacquet/ros... WEB
https://gitlab.com/francoisjacquet/rosariosis/-/blob/mobile/CHANGES.md
gitlab.com/francoisjacquet/ros... WEB
https://gitlab.com/francoisjacquet/rosariosis/-/commit/c4a694860b50c4aa5c67d6568f7d0613fef1a30d
gitlab.com/francoisjacquet/ros... WEB
https://gitlab.com/francoisjacquet/rosariosis/-/issues/291

Frequently Asked Questions

What is CVE-2020-15721?
CVE-2020-15721 is a security vulnerability in Francoisjacquet/rosariosis involving Cross-site Scripting in 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 6.8 across affected packages: francoisjacquet/rosariosis.
What version fixes CVE-2020-15721?
Upgrading to 6.8 (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 6.8. Upgrade your dependency to 6.8 or later.
What is the CVSS score of CVE-2020-15721?
CVE-2020-15721 has a CVSS v3.1 base score of 6.1 (MODERATE) with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.
What CWE is associated with CVE-2020-15721?
CVE-2020-15721 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-2020-15721?
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-6vc5-v7hw-h5h2",
  "modified" : "2021-05-10T22:34:11Z",
  "published" : "2022-02-10T22:26:10Z",
  "aliases" : [ "CVE-2020-15721" ],
  "summary" : "Cross-site Scripting in RosarioSIS",
  "details" : "RosarioSIS through 6.8-beta allows modules/Custom/NotifyParents.php XSS because of the href attributes for AddStudents.php and User.php.",
  "severity" : [ {
    "type" : "CVSS_V3",
    "score" : "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N"
  } ],
  "affected" : [ {
    "package" : {
      "ecosystem" : "Packagist",
      "name" : "francoisjacquet/rosariosis"
    },
    "ranges" : [ {
      "type" : "ECOSYSTEM",
      "events" : [ {
        "introduced" : "0"
      }, {
        "fixed" : "6.8"
      } ]
    } ]
  } ],
  "references" : [ {
    "type" : "ADVISORY",
    "url" : "https://nvd.nist.gov/vuln/detail/CVE-2020-15721"
  }, {
    "type" : "WEB",
    "url" : "https://gitlab.com/francoisjacquet/rosariosis/-/blob/mobile/CHANGES.md"
  }, {
    "type" : "WEB",
    "url" : "https://gitlab.com/francoisjacquet/rosariosis/-/commit/c4a694860b50c4aa5c67d6568f7d0613fef1a30d"
  }, {
    "type" : "WEB",
    "url" : "https://gitlab.com/francoisjacquet/rosariosis/-/issues/291"
  } ],
  "database_specific" : {
    "cwe_ids" : [ "CWE-79" ],
    "severity" : "MODERATE",
    "github_reviewed" : true,
    "github_reviewed_at" : "2021-05-10T22:34:11Z",
    "nvd_published_at" : "2020-07-14T15:15:00Z"
  }
}