Sesame SVG Image Upload /api/v3/companies//logo 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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3.5$0-$5k0.00

Summaryinfo

A vulnerability labeled as problematic has been found in Sesame. This affects an unknown function of the file /api/v3/companies//logo of the component SVG Image Upload. Executing a manipulation of the argument logo can lead to cross site scripting. This vulnerability is tracked as CVE-2025-41084. The attack can be launched remotely. No exploit exists.

Detailsinfo

A vulnerability has been found in Sesame (the affected version unknown) and classified as problematic. This vulnerability affects an unknown part of the file /api/v3/companies//logo of the component SVG Image Upload. The manipulation of the argument logo 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:

Stored Cross-Site Scripting (XSS) vulnerability in Sesame web application, due to the fact that uploaded SVG images are not properly sanitized. This allows attackers to embed malicious scripts in SVG files by sending a POST request using the 'logo' parameter in '/api/v3/companies/<ID>/logo', which are then stored on the server and executed in the context of any user who accesses the compromised resource.

The weakness was disclosed by Miguel Jiménez. The advisory is shared for download at incibe.es. This vulnerability was named CVE-2025-41084 since 04/16/2025. 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.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

Once again VulDB remains the best source for vulnerability data.

Productinfo

Name

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: 3.5
VulDB Meta Temp Score: 3.5

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

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

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔒

Timelineinfo

04/16/2025 CVE reserved
01/20/2026 +279 days Advisory disclosed
01/20/2026 +0 days VulDB entry created
01/20/2026 +0 days VulDB entry last update

Sourcesinfo

Advisory: incibe.es
Researcher: Miguel Jiménez
Status: Not defined

CVE: CVE-2025-41084 (🔒)
GCVE (CVE): GCVE-0-2025-41084
GCVE (VulDB): GCVE-100-341932

Entryinfo

Created: 01/20/2026 11:08
Updated: 01/20/2026 12:23
Changes: 01/20/2026 11:08 (66), 01/20/2026 12:23 (1)
Complete: 🔍
Cache ID: 216::103

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