---
id: CVE-2026-116202
title: YesWiki before 4.7.0 Stored XSS via ImageField SVG Upload
summary: >-
  YesWiki before 4.7.0 contains a stored cross-site scripting vulnerability that
  allows low-privilege authenticated users to upload unsanitized SVG files
  through the bazar ImageField class. Attackers can submit a malicious SVG via
  the imag…
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'
cvssSource: cna
cwe:
  - CWE-79
vendor: YesWiki
product: yeswiki
affected:
  - yeswiki < 4.7.0
published: '2026-10-25'
updated: '2026-10-25'
sourceUpdated: '2026-10-25T13:20:33.851Z'
source: CVEORG
sourceUrl: 'https://www.cve.org/CVERecord?id=CVE-2026-116202'
references:
  - url: 'https://github.com/YesWiki/yeswiki/security/advisories/GHSA-c5q6-7233-3v6g'
    label: GitHub Security Advisory (GHSA-c5q6-7233-3v6g)
  - url: >-
      https://www.vulncheck.com/advisories/yeswiki-before-4.7.0-stored-xss-via-imagefield-svg-upload
    label: >-
      VulnCheck Advisory: YesWiki before 4.7.0 Stored XSS via ImageField SVG
      Upload
tags:
  - cve.org
ingestedAt: '2026-10-25T22:08:29.940Z'
---

## Overview

YesWiki before 4.7.0 contains a stored cross-site scripting vulnerability that allows low-privilege authenticated users to upload unsanitized SVG files through the bazar ImageField class. Attackers can submit a malicious SVG via the image field of the entries API, which is served as image/svg+xml and executes script for users viewing the entry or file.

## Affected

- `yeswiki < 4.7.0`

## Remediation

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