OutSystems Service Center up to 11.41.1 cross site scripting

CVSS Meta Temp Score
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CTI Interest Score
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3.4$0-$5k0.21+

Summaryinfo

A vulnerability was found in OutSystems Service Center up to 11.41.1 and classified as problematic. This vulnerability affects unknown code. Such manipulation leads to cross site scripting. This vulnerability is uniquely identified as CVE-2026-40126. The attack can be launched remotely. No exploit exists.

Detailsinfo

A vulnerability was found in OutSystems Service Center up to 11.41.1 and classified as problematic. Affected by this issue is an unknown code. The manipulation with an unknown input leads to a cross site scripting vulnerability. Using CWE to declare the problem leads to 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. Impacted is integrity. CVE summarizes:

OutSystems Service Center is vulnerable to a DOM-based Cross-Site Scripting (XSS) attack that can be exploited by a low-privileged attacker via the upload of a file with a malicious filename containing JavaScript code. The vulnerability exists in all locations where a file can be attached and prepared for upload to the server. This issue was fixed in OutSystems Service Center version 11.41.2

The advisory is available at cert.pl. This vulnerability is handled as CVE-2026-40126 since 04/09/2026. The exploitation is known to be easy. The attack may be launched remotely. Successful exploitation requires user interaction by the victim. The technical details are unknown and an exploit is not available. This vulnerability is assigned to T1059.007 by the MITRE ATT&CK project.

Upgrading to version 11.41.2 eliminates this vulnerability.

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Productinfo

Vendor

Name

Version

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: 3.4

VulDB Base Score: 3.5
VulDB Temp Score: 3.4
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
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: Service Center 11.41.2

Timelineinfo

04/09/2026 CVE reserved
08/17/2026 +130 days Advisory disclosed
08/17/2026 +0 days VulDB entry created
08/17/2026 +0 days VulDB entry last update

Sourcesinfo

Advisory: cert.pl
Status: Confirmed

CVE: CVE-2026-40126 (🔒)
GCVE (CVE): GCVE-0-2026-40126
GCVE (VulDB): GCVE-100-391262

Entryinfo

Created: 08/17/2026 14:22
Changes: 08/17/2026 14:22 (65)
Complete: 🔍
Cache ID: 216::103

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