VulnerabilityModified
CVE-2021-21136
Insufficient policy enforcement in WebView in Google Chrome on Android prior to 88.0.4324.96 allowed a remote attacker to leak cross-origin data via a crafted HTML page.
MEDIUM 6.5EPSS 4.17%
Does this matter?
Lower severity and a low EPSS score (4.17%). Track it; it rarely justifies an emergency change on its own.
Description
Insufficient policy enforcement in WebView in Google Chrome on Android prior to 88.0.4324.96 allowed a remote attacker to leak cross-origin data via a crafted HTML page.
- CVSS 3.1
- 6.5 MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
- EPSS
- 4.17% probability · 91th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-346
- Affected
- google/chrome · microsoft/edge chromium
- Source
- chrome-cve-admin@google.com
EPSS 4.2% since 26 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- https://chromereleases.googleblog.com/2021/01/stable-channel-update-for-desktop_19.htmlRelease Notes, Vendor Advisory
- https://crbug.com/1038002Issue Tracking, Patch, Vendor Advisory
- https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2021-21136Third Party Advisory
- https://chromereleases.googleblog.com/2021/01/stable-channel-update-for-desktop_19.htmlRelease Notes, Vendor Advisory
- https://crbug.com/1038002Issue Tracking, Patch, Vendor Advisory
- https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2021-21136Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.