What’s Vulnerable › Vulnerabilities

CVE-2022-24887: Open Redirect in Nextcloud Talk

• Severity: medium (CVSS 6.1 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.9% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2022-04-27 · updated 2026-06-17
• Weakness: CWE-601

Description

Nextcloud Talk is a video and audio conferencing app for Nextcloud, a self-hosted productivity platform. Prior to versions 11.3.4, 12.2.2, and 13.0.0, when sharing a Deck card in conversation, the metaData can be manipulated so users can be tricked into opening arbitrary URLs. This issue is fixed in versions 11.3.4, 12.2.2, and 13.0.0. There are currently no known workarounds.

Affected products

• Nextcloud Talk: before 11.3.4; from 12.0.0 before 12.2.4; 13.0.0-rc1, 13.0.0-rc2, 13.0.0-rc3, 13.0.0-rc4 — fixed in 11.3.4, 12.2.4

How to fix

Upgrade to a fixed version: Nextcloud Talk 11.3.4, 12.2.4. Check the vendor advisory for mitigations.

References

• https://github.com/nextcloud/security-advisories/security/advisories/GHSA-j45w-7mpq-264c
• https://github.com/nextcloud/spreed/pull/6410
• https://hackerone.com/reports/1358977
• https://github.com/nextcloud/security-advisories/security/advisories/GHSA-j45w-7mpq-264c
• https://github.com/nextcloud/spreed/pull/6410
• https://hackerone.com/reports/1358977

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