---
id: CVE-2026-52370
title: >-
  A reflected cross-site scripting (XSS) vulnerability in the Forum posting
  function of O2OA v10 allows attackers to execute arbitrary Javascript in the
  context of the victim's browser via a crafted URL.
summary: >-
  A reflected cross-site scripting (XSS) vulnerability in the Forum posting
  function of O2OA v10 allows attackers to execute arbitrary Javascript in the
  context of the victim's browser via a crafted URL.
severity: medium
cvss: 6.1
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N'
cwe:
  - CWE-79
published: '2026-08-04'
updated: '2026-09-09'
sourceUpdated: '2026-09-09T16:04:24.933'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-52370'
references:
  - url: 'https://github.com/RichardKabuto/CVE-2026-52370/issues/1'
    label: cve@mitre.org
  - url: 'https://www.o2oa.net/download.html'
    label: cve@mitre.org
tags:
  - nvd
epss: 0.00263
epssPercentile: 0.16148
ingestedAt: '2026-09-09T16:14:05.511Z'
---

## Overview

A reflected cross-site scripting (XSS) vulnerability in the Forum posting function of O2OA v10 allows attackers to execute arbitrary Javascript in the context of the victim's browser via a crafted URL.

## Remediation

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