CVE-2021-37859: Reflected XSS in OAuth Flow
Vendor fix available · Affected: Mattermost · Exploitation: possible (1 to 10%)
Not in CyberSIXT coverage yet: no article names this CVE. This page shows the public record.
Higher than 88% of scored CVEs
DescriptionCVE.org
Fixed a bypass for a reflected cross-site scripting vulnerability affecting OAuth-enabled instances of Mattermost.
Affected products1
From the CVE record. A product or version that is not listed is unknown, not unaffected.
- Mattermost · Mattermostfrom 5.32.0 up to and including 5.36.0
On the Atlas
Every published CVE is on the CyberSIXT Atlas, grouped by weakness, vendor and month.
- Exploitation
- Possible (1 to 10%). EPSS between 1% and 10%.
- CISA KEV
- Not listed
- Public check
- No public nuclei template
- Weakness
- Cross-site Scripting
- Vendor
- Mattermost
- Published
- August 2021
- Bounty reports
- 1 disclosed on HackerOne
Disclosed bug bounty reports about CVE-2021-37859
The reports on HackerOne that name this CVE, with HackerOne's own outcome. Titles and metadata only.
- Mattermost Server OAuth Flow Cross-Site ScriptingMattermost · 2021 · high severityValid
CoverageNo articles yet
No CyberSIXT article names CVE-2021-37859 yet, so there is no coverage timeline, action brief or change log for it. Everything on this page comes from the public CVE record, CISA KEV, EPSS and the nuclei template index. Search the archive or see the CVEs in the news.