---
id: CVE-2026-36471
title: >-
  Deserialization of Untrusted Data of the __post_data parameter in
  cn_parse_url() in CuteNews v.2.1.2 allows a remote attacker to inject
  arbitrary values into internal request variables (including __referer) via a
  crafted base64-encoded s…
summary: >-
  Deserialization of Untrusted Data of the __post_data parameter in
  cn_parse_url() in CuteNews v.2.1.2 allows a remote attacker to inject
  arbitrary values into internal request variables (including __referer) via a
  crafted base64-encoded s…
severity: medium
cvss: 5.8
cvssVector: 'CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:L/I:L/A:L'
cwe:
  - CWE-502
published: '2026-09-21'
updated: '2026-09-25'
sourceUpdated: '2026-09-25T17:17:08.180'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-36471'
references:
  - url: 'https://github.com/CuteNews/cutenews-2.0'
    label: cve@mitre.org
  - url: 'https://github.com/CuteNews/cutenews-2.0/blob/master/core/core.php'
    label: cve@mitre.org
  - url: 'https://github.com/UmbraDeorum/cutenews-2.0-CVEs-2026-Disclosure'
    label: cve@mitre.org
tags:
  - nvd
  - cve.org
epss: 0.00303
epssPercentile: 0.20466
ssvc:
  exploitation: none
  automatable: 'no'
  technicalImpact: partial
  timestamp: '2026-09-25T16:01:26.807881Z'
ingestedAt: '2026-09-21T16:11:47.451Z'
---

## Overview

Deserialization of Untrusted Data of the __post_data parameter in cn_parse_url() in CuteNews v.2.1.2 allows a remote attacker to inject arbitrary values into internal request variables (including __referer) via a crafted base64-encoded serialized PHP payload submitted as a POST parameter.

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.