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CVE-2021-38509

Mozilla / Firefox PUBLISHED

Description (CNA)

Due to an unusual sequence of attacker-controlled events, a Javascript alert() dialog with arbitrary (although unstyled) contents could be displayed over top an uncontrolled webpage of the attacker's choosing. This vulnerability affects Firefox < 94, Thunderbird < 91.3, and Firefox ESR < 91.3.

Affected (CNA)

Vendor / productVersions
Mozilla / Firefoxaffected unspecified before 94
Mozilla / Thunderbirdaffected unspecified before 91.3
Mozilla / Firefox ESRaffected unspecified before 91.3

CWE

No CWE identifiers supplied.

References

ADP enrichment

CVE

No English description supplied.