CVE-2021-32788CWE-668

Post creator of a whisper post can be revealed to non-staff users in Discourse

Medium · published July 27, 2021

CVSS v3.1
4.3
EPSS
1%
Percentile
58.9
In the wild
Unconfirmed
What it is

Discourse is an open source discussion platform. In versions prior to 2.7.7 there are two bugs which led to the post creator of a whisper post being revealed to non-staff users. 1: Staff users that creates a whisper post in a personal message is revealed to non-staff participants of the personal message even though the whisper post cannot be seen by them. 2: When a whisper post is before the last post in a post stream, deleting the last post will result in the creator of the whisper post to be revealed to non-staff users as the last poster of the topic.

The record
Technical detail
CVSS v3.1
4.3 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
CVSS v4.0
Not supplied
EPSS
0.00888 · 58.9th percentile
Weakness
CWE-668 · Exposure of Resource to Wrong Sphere
Published
2021-07-27T21:40Z
EPSS history
Timeline
  • 27 JUL 21:40Z
    Post creator of a whisper post can be revealed to non-staff users in Discourse
    cvelistv5