Public vulnerability disclosure

CVE-2026-127120

Governikus AusweisApp Mobile StartPAOSResponse cross site scripting

publishedCWE-79CWE-94

A vulnerability was found in Governikus AusweisApp Mobile up to 2.5.5. This impacts an unknown function of the component StartPAOSResponse Handler. Performing a manipulation of the argument ResultMessage results in cross site scripting. The attack can be initiated remotely. Upgrading to version 2.6.0 will fix this issue. Upgrading the affected component is advised. This CVE was requested by the vendor.

Technical severity5.3 mediumCVSS 4.0 · CNA: VulDB
Published2026-11-12Source updated 2026-11-13
Collected2026-11-132 attributed sources

Fixes and workarounds

Fix

The reporting source identifies this reference as a patch. Check the advisory for affected versions and supported release branches.

Source: CNA: VulDB

Affected products and versions

Affected products, source version ranges and reporting authorities
ProductVersionsAuthority
AusweisApp Mobile
Governikus
2.5.0 (affected)
2.5.1 (affected)
2.5.2 (affected)
2.5.3 (affected)
2.5.4 (affected)
2.5.5 (affected)
2.6.0 (unaffected)
CNA: VulDB

Version ranges are source assertions. Check the vendor advisory and your installed configuration before determining exposure.

CVSS assessments

CVSS scores, vectors and reporting authorities
Version / scoreVectorAuthority
4.0 / 5.3
medium
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:XCNA: VulDB
3.1 / 4.3
medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N/E:X/RL:O/RC:CCNA: VulDB
3.0 / 4.3
medium
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N/E:X/RL:O/RC:CCNA: VulDB
2.0 / 5.0
medium
AV:N/AC:L/Au:N/C:N/I:P/A:N/E:ND/RL:OF/RC:CCNA: VulDB
4.0 / 5.3
medium
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:XNVD: [email protected]
3.1 / 4.3
medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:NNVD: [email protected]
2.0 / 5.0
medium
AV:N/AC:L/Au:N/C:N/I:P/A:NNVD: [email protected]

Exploit evidence

No exploit evidence in collected sources. This is not proof of no exploitation.

References

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