---
id: CVE-2025-52667
title: >-
  Missing JSON Content-Type header in a script in Revive Adserver 6.0.1 and
  5.5.2 and earlier versions causes a stored XSS attack to be possible for a
  logged in manager user.
summary: >-
  Missing JSON Content-Type header in a script in Revive Adserver 6.0.1 and
  5.5.2 and earlier versions causes a stored XSS attack to be possible for a
  logged in manager user.
severity: medium
cvss: 5.4
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N'
cwe:
  - CWE-79
  - CWE-79
vendor: revive-adserver
product: revive_adserver
affected:
  - revive_adserver <= 5.5.2
  - 'revive_adserver >= 6.0.0, <= 6.0.1'
published: '2025-11-20'
updated: '2026-09-26'
sourceUpdated: '2026-09-26T00:10:00.127'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2025-52667'
references:
  - url: 'https://hackerone.com/reports/3399809'
    label: support@hackerone.com
tags:
  - nvd
epss: 0.00369
epssPercentile: 0.28169
ingestedAt: '2026-09-26T00:22:39.978Z'
---

## Overview

Missing JSON Content-Type header in a script in Revive Adserver 6.0.1 and 5.5.2 and earlier versions causes a stored XSS attack to be possible for a logged in manager user.

## Affected

- `revive_adserver <= 5.5.2`
- `revive_adserver >= 6.0.0, <= 6.0.1`

## Remediation

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