CVE-2024-22213: deck XSS — Exploit & Fix

Description

Deck is a kanban style organization tool aimed at personal planning and project organization for teams integrated with Nextcloud. In affected versions users could be tricked into executing malicious code that would execute in their browser via HTML sent as a comment. It is recommended that the Nextcloud Deck is upgraded to version 1.9.5 or 1.11.2. There are no known workarounds for this vulnerability.

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Weakness Type (CWE)

CWE-79 Cross-site Scripting (XSS)

Affected Products

Vendor	Product	Versions
nextcloud	deck	1.9.0 — 1.9.5
nextcloud	deck	1.10.0 — 1.11.2

References

Advisories & Patches

https://github.com/nextcloud/deck/commit/91f1557362047f8840f53151f176b80148650bcd https://github.com/nextcloud/security-advisories/security/advisories/GHSA-mg7w-x9fm-9wwc https://github.com/nextcloud/deck/commit/91f1557362047f8840f53151f176b80148650bcd https://github.com/nextcloud/security-advisories/security/advisories/GHSA-mg7w-x9fm-9wwc

Exploits

https://github.com/nextcloud/security-advisories/security/advisories/GHSA-mg7w-x9fm-9wwc https://hackerone.com/reports/2058556 https://github.com/nextcloud/security-advisories/security/advisories/GHSA-mg7w-x9fm-9wwc https://hackerone.com/reports/2058556

Frequently Asked Questions

What is CVE-2024-22213? +

Deck is a kanban style organization tool aimed at personal planning and project organization for teams integrated with Nextcloud. In affected versions users could be tricked into executing malicious code that would execute in their browser via HTML sent as a comment. It is recommended that the Nextcloud Deck is upgraded to version 1.9.5 or 1.11.2. There are no known workarounds for this vulnerability.

What products are affected by CVE-2024-22213? +

CVE-2024-22213 affects products from nextcloud, specifically: deck. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2024-22213? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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CVE-2024-22213