CVE-2016-4881: Baserproject/basercms CSRF Vulnerability

HIGH
Advisory Identifier: GHSA-46vm-rwrf-jrxm
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CVSS 8.8
CWE-352
Published
Advisory Summary

CVE-2016-4881 is a HIGH (CVSS 8.8) csrf vulnerability (CWE-352: Cross-Site Request Forgery (CSRF)) affecting Baserproject/basercms libraries in the Packagist ecosystem. The issue involves csrf in basercms 3.0.10 and earlier. Remediation is available by upgrading affected packages to version 3.0.11.

CVE-2016-4881 at a Glance

CVE Identifier CVE-2016-4881
GHSA Identifier GHSA-46vm-rwrf-jrxm
Severity HIGH
CVSS v3.1 Base Score 8.8
CWE Classification CWE-352: Cross-Site Request Forgery (CSRF)
Affected Product Baserproject/basercms
Package Ecosystem Packagist
Published Date
Last Updated

Security Impact

CVSS: 8.8

The security impact metrics below are parsed directly from the CVSS v3.1 vector string (CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H).

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

How to Fix CVE-2016-4881

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

baserproject/basercms fixed: 3.0.11 
Upgrade baserproject/basercms to 3.0.11
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 baserproject/basercms

How to Check if You Are Affected

To determine whether your application is affected by CVE-2016-4881, inspect your project dependencies for Baserproject/basercms:

inspect dependencies for baserproject/basercms

Analyze the terminal output to locate any version of Baserproject/basercms in your dependency tree. If any resolved version matches the vulnerable ranges listed in the table below (for example, versions earlier than 3.0.11), 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-352: Cross-Site Request Forgery (CSRF), where the web application does not, or cannot, sufficiently verify whether a request was intentionally provided by the user who sent the request, which could have originated from an unauthorized actor. In Baserproject/basercms, 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

Cross-site request forgery (CSRF) vulnerability in baserCMS plugin Blog version 3.0.10 and earlier allows remote attackers to hijack the authentication of administrators via unspecified vectors.

CVE-2016-4881 Affected Baserproject/basercms Versions

1 component(s)
Fixed Versions:
3.0.11
Product / Package Ecosystem Affected Versions Fixed Version
baserproject/basercms
 Packagist
< 3.0.11
3.0.11

References

NVD — CVE-2016-4881 NVD
https://nvd.nist.gov/vuln/detail/CVE-2016-4881
jvn.jp/en/jp/jvn92765814/i... WEB
https://jvn.jp/en/jp/JVN92765814/index.html
Baserproject/basercms Security Information SECURITY
https://web.archive.org/web/20210308130052/http://www.securityfocus.com/bid/93217
Baserproject/basercms Security Information SECURITY
http://basercms.net/security/JVN92765814

Frequently Asked Questions

What is CVE-2016-4881?
CVE-2016-4881 is a security vulnerability in Baserproject/basercms involving CSRF in baserCMS 3.0.10 and earlier under CWE-352: Cross-Site Request Forgery (CSRF).
Which Baserproject/basercms versions are affected?
Affected versions include releases prior to 3.0.11 across affected packages: baserproject/basercms.
What version fixes CVE-2016-4881?
Upgrading to 3.0.11 (or the latest patched release for your respective branch) resolves the vulnerability.
Is baserproject/basercms affected?
Yes, baserproject/basercms is affected in releases prior to 3.0.11. Upgrade your dependency to 3.0.11 or later.
What is the CVSS score of CVE-2016-4881?
CVE-2016-4881 has a CVSS v3.1 base score of 8.8 (HIGH) with vector string CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.
What CWE is associated with CVE-2016-4881?
CVE-2016-4881 is classified under CWE-352: Cross-Site Request Forgery (CSRF) (The web application does not, or cannot, sufficiently verify whether a request was intentionally provided by the user who sent the request, which could have originated from an unauthorized actor.).
How can I check Packagist dependencies for CVE-2016-4881?
Run the dependency tree command: 'inspect dependencies for baserproject/basercms'. 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-46vm-rwrf-jrxm",
  "modified" : "2023-07-07T18:33:09Z",
  "published" : "2022-05-17T02:45:13Z",
  "aliases" : [ "CVE-2016-4881" ],
  "summary" : "CSRF in baserCMS 3.0.10 and earlier",
  "details" : "Cross-site request forgery (CSRF) vulnerability in baserCMS plugin Blog version 3.0.10 and earlier allows remote attackers to hijack the authentication of administrators via unspecified vectors.",
  "severity" : [ {
    "type" : "CVSS_V3",
    "score" : "CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H"
  } ],
  "affected" : [ {
    "package" : {
      "ecosystem" : "Packagist",
      "name" : "baserproject/basercms"
    },
    "ranges" : [ {
      "type" : "ECOSYSTEM",
      "events" : [ {
        "introduced" : "0"
      }, {
        "fixed" : "3.0.11"
      } ]
    } ],
    "database_specific" : {
      "last_known_affected_version_range" : "<= 3.0.10"
    }
  } ],
  "references" : [ {
    "type" : "ADVISORY",
    "url" : "https://nvd.nist.gov/vuln/detail/CVE-2016-4881"
  }, {
    "type" : "WEB",
    "url" : "https://jvn.jp/en/jp/JVN92765814/index.html"
  }, {
    "type" : "WEB",
    "url" : "https://web.archive.org/web/20210308130052/http://www.securityfocus.com/bid/93217"
  }, {
    "type" : "WEB",
    "url" : "http://basercms.net/security/JVN92765814"
  } ],
  "database_specific" : {
    "cwe_ids" : [ "CWE-352" ],
    "severity" : "HIGH",
    "github_reviewed" : true,
    "github_reviewed_at" : "2023-07-07T18:33:09Z",
    "nvd_published_at" : "2017-05-12T18:29:00Z"
  }
}