VulnerabilityModified
CVE-2021-21135
Inappropriate implementation in Performance API in Google Chrome prior to 88.0.4324.96 allowed a remote attacker to leak cross-origin data via a crafted HTML page.
MEDIUM 6.5EPSS 19.2%
Does this matter?
EPSS puts the probability of exploitation in the next 30 days at 19.2%, higher than 97% of all known CVEs. Patch or mitigate before the next change window.
Description
Inappropriate implementation in Performance API in Google Chrome 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
- 19.23% probability · 97th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-346
- Affected
- google/chrome · microsoft/edge chromium
- Source
- chrome-cve-admin@google.com
References
- https://chromereleases.googleblog.com/2021/01/stable-channel-update-for-desktop_19.htmlRelease Notes, Vendor Advisory
- https://crbug.com/1157818Permissions Required, Third Party Advisory
- https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2021-21135Third Party Advisory
- https://chromereleases.googleblog.com/2021/01/stable-channel-update-for-desktop_19.htmlRelease Notes, Vendor Advisory
- https://crbug.com/1157818Permissions Required, Third Party Advisory
- https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2021-21135Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.