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CVE-2025-59161

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Date: September 16, 2025

Element Web is a Matrix web client built using the Matrix React SDK. Element Web and Element Desktop before version 1.11.112 have insufficient validation of room predecessor links, allowing a remote attacker to attempt to impermanently replace a room's entry in the room list with an unrelated attacker-supplied room. While the effect of this is temporary, it may still confuse users into acting on incorrect assumptions. The issue has been patched and users should upgrade to 1.11.112. A reload/refresh will fix the incorrect room list state, removing the attacker's room and restoring the original room.

Severity Score

Related Resources (4)

https://nvd.nist.gov/vuln/detail/CVE-2025-59161
https://github.com/element-hq/element-web/commit/8e9a43d70c90e6a3b110cd0a377296079e4c81f5
https://github.com/element-hq/element-web/security/advisories/GHSA-m6c8-98f4-75rr
https://www.mend.io/vulnerability-database/CVE-2025-59161

Severity Score

Weakness Type (CWE)

Improper Input Validation

CWE-20

Top Fix

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Upgrade Version

Upgrade to version https://github.com/element-hq/element-web.git - v1.11.112

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CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): NONE
Integrity (I): LOW
Availability (A): NONE

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