CVE-2021-29953

EPSS 0.6%

Vexday Risk Score

3Low

SSVC decision (CISA)

Track

No exploitation signal → monitor

CVSS —EPSS 0.6%KEV nãoPoC —Nuclei —Metasploit —Patch —

Lifecycle

24 Jun 2021Published on NVD

Recommendation: Monitor — no exploitation signal at the moment.

A malicious webpage could have forced a Firefox for Android user into executing attacker-controlled JavaScript in the context of another domain, resulting in a Universal Cross-Site Scripting vulnerability. *Note: This issue only affected Firefox for Android. Other operating systems are unaffected. Further details are being temporarily withheld to allow users an opportunity to update.*. This vulnerability affects Firefox < 88.0.1 and Firefox for Android < 88.1.3.

Affected products

Mozilla · Firefox Mozilla · Firefox for Android

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References

https://bugzilla.mozilla.org/show_bug.cgi?id=1701684 https://www.mozilla.org/security/advisories/mfsa2021-20/