Governikus AusweisApp Mobile up to 2.5.5 StartPAOSResponse ResultMessage cross site scripting

CVSS Meta Temp Score
CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.
Current Exploit Price (≈)
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CTI Interest Score
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4.1$0-$5k0.00+

Summaryinfo

A vulnerability categorized as problematic has been discovered in Governikus AusweisApp Mobile up to 2.5.5. Affected is an unknown function of the component StartPAOSResponse Handler. Executing a manipulation of the argument ResultMessage can lead to cross site scripting. This vulnerability is tracked as CVE-2026-127120. The attack can be launched remotely. No exploit exists. It is advisable to upgrade the affected component. This CVE was requested by the vendor.

Detailsinfo

A vulnerability classified as problematic was found in Governikus AusweisApp Mobile up to 2.5.5. This vulnerability affects an unknown functionality of the component StartPAOSResponse Handler. The manipulation of the argument ResultMessage 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.

This vulnerability was named CVE-2026-127120. The exploitation appears to be easy. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. Successful exploitation requires user interaction by the victim. Technical details are known, but there is no available exploit. This vulnerability is assigned to T1059.007 by the MITRE ATT&CK project.

This CVE was requested by the vendor.

Upgrading to version 2.6.0 eliminates this vulnerability. The upgrade is hosted for download at Governikus.de.

If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.3
VulDB Meta Temp Score: 4.1

VulDB Base Score: 4.3
VulDB Temp Score: 4.1
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: AusweisApp Mobile 2.6.0

Timelineinfo

11/12/2026 Advisory disclosed
11/12/2026 +0 days VulDB entry created
11/12/2026 +0 days VulDB entry last update

Sourcesinfo

Status: Confirmed

CNA: VulDB
CVE: CVE-2026-127120 (🔒)

GCVE (CVE): GCVE-0-2026-127120
GCVE (VulDB): GCVE-100-436402

Entryinfo

Created: 11/12/2026 16:31
Changes: 11/12/2026 16:31 (54)
Complete: 🔍
Submitter: governikus
Cache ID: 216::103

Submitinfo

Accepted

  • Submit #1033285: Governikus Software GmbH AusweisApp 2.5.4 Cross Site Scripting (by governikus)

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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