CVE-2026-93871

medium

Cotonti through 1.0.0 fails to validate redirect destinations in page bodies prefixed with redir:, allowing authenticated users with page creation or edit perm…

Cotonti through 1.0.0 fails to validate redirect destinations in page bodies prefixed with redir:, allowing authenticated users with page creation or edit permissions to store redirects to arbitrary external hosts. Attackers can craft pages on trusted domains that redirect visitors to malicious sites for phishing attacks without administrative privileges.

CVSS

5.4

5.4 (CVSS v3.1)

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

Severity source: NVD CVSS v3.1 (disclosure@vulncheck.com)

Timeline (UTC)

Published: 2026-09-18 20:17

Modified: 2026-09-22 20:53

NVD status: Deferred

Last synced 3 days ago

Verified against the source API 2026-10-27 06:54 UTC

Exploitation

Not listed in CISA KEV (as of last catalog sync)

Absence from KEV does not mean a CVE is not exploited. Exploitation status: unknown (no authoritative evidence in our sources).

Affected products

Not reported by the source (unknown — not "none").

Weakness classification (CWE)

CWE-601

Source: NVD / CISA. “NVD-CWE-Other” and “NVD-CWE-noinfo” mean NVD could not assign a specific weakness.

Mitigation & advisories

No vendor advisory or patch reference tagged by NVD. Check the references below.

References

https://github.com/Cotonti/Cotonti disclosure@vulncheck.com
https://github.com/Cotonti/Cotonti/blob/1.0.0/modules/page/inc/page.main.php disclosure@vulncheck.com
https://github.com/Cotonti/Cotonti/issues/1893 disclosure@vulncheck.com
https://github.com/Cotonti/Cotonti/pull/1901 disclosure@vulncheck.com
https://www.vulncheck.com/advisories/cotonti-through-1.0.0-stored-open-redirect-via-page-r... disclosure@vulncheck.com

Data sources

NVD CVE API 2.0 — fetched 2026-10-27 06:54 UTC · record ↗

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