Element Web and Element Desktop before 1.12.32 accept guest credentials from URL fragment parameters in loadSession, allowing remote unauthenticated attackers to log out users and clear local stores. Attackers can lure logged-in users into opening links with guest_user_id and gue...
Product
element-hq element-web vulnerabilities
7 published CVES affecting element-hq element-web, from public sources (CVE.org, NVD, CISA KEV, FIRST EPSS, OSV).
- Total
- 7
- Critical
- 0
- High
- 2
- Medium
- 2
- Low
- 3
- Unscored
- 0
- CISA KEV
- 0
Latest element-hq element-web CVEs
Newest publication first
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HighCVSS 7.1 EPSS 0.14%
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CVE-2026-55850 Element Web: A malicious homeserver can inject HTML in Element Web using its homepage
PublishedMediumCVSS 5.3 EPSS 0.55%Element Web is a Matrix web client built using the Matrix React SDK. Prior to 1.12.22, EmbeddedPage in apps/web/src/components/structures/EmbeddedPage.tsx renders homeserver-supplied homepage content through dangerouslySetInnerHTML without passing it through sanitizedHtmlNode. A...
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LowCVSS 2.7 EPSS 0.41%
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...
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LowCVSS 3.8 EPSS 0.17%
Element Web is a Matrix web client built using the Matrix React SDK. Element Web, starting from version 1.11.16 up to version 1.11.96, can be configured to load Element Call from an external URL. Under certain conditions, the external page is able to get access to the media encry...
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MediumCVSS 5.0 EPSS 0.50%
Element is a Matrix web client built using the Matrix React SDK. A malicious homeserver can send invalid messages over federation which can prevent Element Web and Desktop from rendering single messages or the entire room containing them. This was patched in Element Web and Deskt...
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CVE-2024-51749 Element's thumbnails can be abused to misrepresent the content of an attachment
PublishedLowCVSS 3.5 EPSS 0.36%Element is a Matrix web client built using the Matrix React SDK. Versions of Element Web and Desktop earlier than 1.11.85 do not check if thumbnails for attachments, stickers and images are coherent. It is possible to add thumbnails to events trigger a file download once clicked....
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CVE-2024-47779 Element Web vulnerable to potential exposure of access token via authenticated media
PublishedHighCVSS 7.0 EPSS 0.43%Element is a Matrix web client built using the Matrix React SDK. Element Web versions 1.11.70 through 1.11.80 contain a vulnerability which can, under specially crafted conditions, lead to the access token becoming exposed to third parties. At least one vector has been identified...
Sources: CVE.org, NVD, CISA KEV, FIRST EPSS, OSV and public exploit-reference metadata. Product matching comes from the published CVE records. A proof-of-concept means public code exists; it is not evidence of exploitation.