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CVE record · CVE-2023-2808

Lack of URL normalization allows rendering previews for disallowed domains

CVSS 4.3 MediumEPSS 0.0041 · 35th percentile

Published by the CVE Program (CNA: Mattermost) at 29 May 2023, 09:07 UTC. agentprime has not analysed this yet, so whether it affects any app is not known. This CVE names a vendor and product rather than a package, so the lockfile check doesn’t match it.

Affected products, as the CNA wrote them
VendorProductVersions
Mattermost Mattermost
  • affected before 7.1.9 semver
  • affected before 7.8.4 semver
  • affected before 7.9.3 semver
  • unaffected 7.1.9
  • unaffected 7.8.4
  • unaffected 7.9.3
  • unaffected 7.10
Other versions: unaffected
Identifiers
CVE-2023-2808
CNA
Mattermost
Weakness (CWE)
CWE-20
Tags
Published
29 May 2023
Updated
6 Dec 2024

Not analysed yet

We haven’t published our own analysis of this CVE. If a person reviews it, this page will say what’s affected and what has to be true for it to matter.

Severity and exploitation

ScoreRatingCVSSVectorSource
4.3 Medium 3.1 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N CNA (Mattermost)
  • CISA KEV Not listed.
  • EPSS 0.0041, the 35th percentile, on 5 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

This record came from the full history of the CVE Program, published 29 May 2023. New records show when each source confirmed them.

Sources

References from the CNA

Facts on this page come from the CVE List as the CNA published them, with CVSS from the sources named above, CISA KEV and FIRST EPSS. Vendors, products and versions are shown as the CNA wrote them. We don’t reproduce the CVE’s description.