YesWiki up to 4.6.x Bazar BazaR ImageField image cross site scripting

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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4.4$0-$5k2.00+

Summaryinfo

A vulnerability labeled as problematic has been found in YesWiki up to 4.6.x. The impacted element is the function ImageField of the file BazaR of the component Bazar. Executing a manipulation of the argument image can lead to cross site scripting. This vulnerability appears as CVE-2026-116202. The attack may be performed from remote. There is no available exploit. The affected component should be upgraded.

Detailsinfo

A vulnerability classified as problematic was found in YesWiki up to 4.6.x. This vulnerability affects the function ImageField of the file BazaR of the component Bazar. The manipulation of the argument image with an unknown input leads to a cross site scripting vulnerability. The CWE definition for the vulnerability is CWE-79. The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users. As an impact it is known to affect integrity. CVE summarizes:

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.

The advisory is shared for download at github.com. This vulnerability was named CVE-2026-116202 since 10/25/2026. The exploitation appears to be easy. The attack can be initiated remotely. Successful exploitation requires user interaction by the victim. There are known technical details, but no exploit is available. The MITRE ATT&CK project declares the attack technique as T1059.007.

Upgrading to version 4.7.0 eliminates this vulnerability.

Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

Name

Version

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA CVSS-B Score: 🔒
CNA CVSS-BT Score: 🔒
CNA Vector: 🔒

CVSSv3info

VulDB Meta Base Score: 4.4
VulDB Meta Temp Score: 4.4

VulDB Base Score: 3.5
VulDB Temp Score: 3.4
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 5.4
CNA Vector (VulnCheck): 🔒

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Cross site scripting
CWE: CWE-79 / CWE-94 / CWE-74
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined
Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: YesWiki 4.7.0

Timelineinfo

10/25/2026 Advisory disclosed
10/25/2026 +0 days CVE reserved
10/25/2026 +0 days VulDB entry created
10/25/2026 +0 days VulDB entry last update

Sourcesinfo

Product: github.com

Advisory: github.com
Status: Confirmed

CVE: CVE-2026-116202 (🔒)
GCVE (CVE): GCVE-0-2026-116202
GCVE (VulDB): GCVE-100-426268

Entryinfo

Created: 10/25/2026 15:01
Changes: 10/25/2026 15:01 (79)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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