CVE-2025-27599: element-hq element-x-android Improper Input Validation
Vulnerability summary
CVE-2025-27599 is a medium (CVSS 6.5) Improper Input Validation vulnerability in element-hq element-x-android. EPSS estimates a 0.37% chance of exploitation in the next 30 days, higher than 29.1% of scored vulnerabilities.
Timeline
- 18-04-2025PublishedVulnerability first disclosed.
- 18-04-2025Last modifiedVulnerability information updated.
Description
Element X Android is a Matrix Android Client provided by element.io. Prior to version 25.04.2, a crafted hyperlink on a webpage, or a locally installed malicious app, can force Element X up to version 25.04.1 to load a webpage with similar permissions to Element Call and automatically grant it temporary access to microphone and camera. This issue has been patched in version 25.04.2.
CVSS metrics
2 scores · 2 sources · 1 version- NVDNIST6.5MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
EPSS trend
Probability
0.37%
Chance of exploitation in the next 30 days
Percentile
29%
Versus all other CVEs
30-day change
+0.01 pp
From 0.36% on 20-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root cause- CWE-20Improper Input ValidationThe product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.
- CWE-926Improper Export of Android Application ComponentsThe Android application exports a component for use by other applications, but does not properly restrict which applications can launch the component or access the data it contains.
Affected systems
Element-hq1 product
- element-x-android< 25.04.2
1 vendor · 1 product
References
3 links- github.com/element-hq/element-x-android/releases/tag/v25.04.2X Refsource MISC