CVE-2023-20918

CRITICAL

Android - XML External Entity Injection

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 2 public exploits for CVE-2023-20918. PoCs published by Trinadh465, pazhanivel07.

AI-analyzed exploit summary This repository contains a proof-of-concept exploit for CVE-2023-20918, targeting Android's autofill framework. The code includes test cases that demonstrate the vulnerability by manipulating autofill services and callbacks.

Description

In getPendingIntentLaunchFlags of ActivityOptions.java, there is a possible elevation of privilege due to a confused deputy with no additional execution privileges needed. User interaction is not needed for exploitation.

Exploits (2)

nomisec WORKING POC
by Trinadh465 · poc
https://github.com/Trinadh465/platform_frameworks_base_CVE-2023-20918

This repository contains a proof-of-concept exploit for CVE-2023-20918, targeting Android's autofill framework. The code includes test cases that demonstrate the vulnerability by manipulating autofill services and callbacks.

Classification
Working Poc 90%
Attack Type
Other
Complexity
Moderate
Reliability
Reliable
Target: Android Autofill Framework
No auth needed
Prerequisites: Access to Android device with vulnerable autofill framework
devstral-2 · analyzed Feb 16, 2026 Full analysis →
nomisec WORKING POC
by pazhanivel07 · poc
https://github.com/pazhanivel07/platform_frameworks_base_AOSP_10_r33_CVE-2023-20918

This repository contains a proof-of-concept for CVE-2023-20918, focusing on autofill performance tests in Android. The code demonstrates how autofill services can be manipulated to trigger performance issues or unexpected behavior.

Classification
Working Poc 90%
Attack Type
Other
Complexity
Moderate
Reliability
Reliable
Target: Android Open Source Project (AOSP) 10 r33
No auth needed
Prerequisites: Android device with autofill service enabled
devstral-2 · analyzed Feb 16, 2026 Full analysis →

Scores

CVSS v3 9.8
EPSS 0.0077
EPSS Percentile 50.7%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable yes
Technical Impact total

Details

CWE
CWE-611
Status published
Products (4)
google/android 11.0
google/android 12.0
google/android 12.1
google/android 13.0
Published Jul 13, 2023
Tracked Since Feb 18, 2026