---
id: CVE-2025-9980
title: >-
  QuickCMS is vulnerable to multiple Stored XSS in page editor functionality
  (pages-form)
summary: >-
  QuickCMS is vulnerable to multiple Stored XSS in page editor functionality
  (pages-form). Malicious attacker with admin privileges can inject arbitrary
  HTML and JS into website, which will be rendered/executed when visiting edited
  page. B…
severity: medium
cvss: 4.8
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N'
cwe:
  - CWE-79
vendor: opensolution
product: quick.cms
affected:
  - quick.cms = 6.8
published: '2025-10-23'
updated: '2026-10-08'
sourceUpdated: '2026-10-08T11:10:00.250'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2025-9980'
references:
  - url: 'https://cert.pl/posts/2025/10/CVE-2025-9980'
    label: cvd@cert.pl
  - url: 'https://opensolution.org/cms-system-quick-cms.html'
    label: cvd@cert.pl
tags:
  - nvd
epss: 0.00193
epssPercentile: 0.08231
ingestedAt: '2026-10-08T11:31:27.556Z'
---

## Overview

QuickCMS is vulnerable to multiple Stored XSS in page editor functionality (pages-form). Malicious attacker with admin privileges can inject arbitrary HTML and JS into website, which will be rendered/executed when visiting edited page. By default admin user is not able to add JavaScript into the website.

The vendor was notified early about this vulnerability, but didn't respond with the details of vulnerability or vulnerable version range. Only version 6.8 was tested and confirmed as vulnerable, other versions were not tested and might also be vulnerable.

## Affected

- `quick.cms = 6.8`

## Remediation

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