Monal before 4.9 does not implement proper sender verification on MAM and Message Carbon (XEP-0280) results. This allows a remote attacker (able to send stanzas to a victim) to inject arbitrary messages into the local history, with full control over the sender and receiver displayed to the victim.
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History
No history.

Status: PUBLISHED
Assigner: mitre
Published:
Updated: 2024-08-04T15:56:04.529Z
Reserved: 2020-10-04T00:00:00
Link: CVE-2020-26547

No data.

Status : Modified
Published: 2021-02-01T02:15:15.377
Modified: 2024-11-21T05:20:03.110
Link: CVE-2020-26547

No data.