Vulnerability Intelligence Report
YesWiki before 4.7.0 Stored XSS via ImageField SVG Upload
CVE-2026-116202
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.
Cross-Site Scripting (XSS)
No Active Exploit Signals
CVSS Base Score
5.1
MEDIUM
Executive Threat Verdict
Evaluating...
Evaluating Threat Landscape...
Assessing known weaponization, exploitation telemetry, and federal advisories.
Attack Surface
—
Authentication
—
Weaponization
—
SSVC Action
—
Weaknesses (CWE)
CWE-79 ↗Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Affected Products & Versions
| Vendor | Product | Affected Versions |
|---|---|---|
| YesWiki | yeswiki | 0 < 4.7.0 (affected), 4.7.0 (unaffected) |
References & Technical Advisories
No reference links found.
Threat Intelligence Signals
GitHub Advisory
Vulnerability Class
Cross-Site Scripting (XSS)
Identity & Timeline
| Status | PUBLISHED |
| Assigning Authority | VulnCheck · Bug Bounty Provider · USA |
| Reserved | 2026-10-25T12:27:58 |
| Published | 2026-10-25T13:20:33 |
| Patch Date | 2026-10-09 |
| Last Updated | 2026-10-25T13:20:33 |
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