# CVE-2022-24887: Open Redirect in Nextcloud Talk

> Attackers can trick users into visiting arbitrary URLs by manipulating metadata in shared Deck cards within Nextcloud Talk conversations.

- **Severity:** Medium 4.3 (`CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N`)
- **Exploited in the wild:** Not known
- **Login needed:** Any signed-in user
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 27 Apr 2022
- **Updated:** 22 Apr 2025
- **Also known as:** GHSA-j45w-7mpq-264c

## What is CVE-2022-24887?

CVE-2022-24887 is a medium-severity vulnerability in nextcloud security-advisories, published on 27 Apr 2022. Any signed-in user can exploit it over the network, with no action from the victim.

### Official 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.

Weakness: CWE-601 (URL Redirection to Untrusted Site)

## Which versions are affected by CVE-2022-24887?

It affects 1 product.


Products: Nextcloud Talk.

## How do I fix CVE-2022-24887?

No fix has been published for CVE-2022-24887 yet. Limit exposure of the affected software until one is available.

## Is CVE-2022-24887 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2022-24887 exists.

## Other vulnerabilities in nextcloud security-advisories

- [CVE-2020-8180](https://insights.sbomify.com/CVE-2020-8180/): Code injection in Nextcloud Talk (critical 9.9)
- [CVE-2021-32689](https://insights.sbomify.com/CVE-2021-32689/): Nextcloud Talk not properly disassociating users from chats after account deletion (high 8.1)
- [CVE-2023-39957](https://insights.sbomify.com/CVE-2023-39957/): Path traversal allows tricking the Talk Android app into writing files into it's root directory (high 7.2)
- [CVE-2021-32676](https://insights.sbomify.com/CVE-2021-32676/): Session Fixation in Nextcloud Talk (medium 6.5)
- [CVE-2021-39222](https://insights.sbomify.com/CVE-2021-39222/): XSS in Talk (medium 6.4)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2022-24887 and fix it if it is affected.

What it is: CVE-2022-24887 is a medium-severity vulnerability in nextcloud security-advisories, published on 27 Apr 2022. Any signed-in user can exploit it over the network, with no action from the victim.
Exploitation: It is not confirmed as exploited in the wild, but public exploit code for CVE-2022-24887 exists.

Affected product: nextcloud security-advisories. No package-level version data is available, so check the vendor advisory linked from the reference page.

Task:
1. Search the dependency manifests and lockfiles (for example package.json, package-lock.json, requirements.txt, poetry.lock, uv.lock, pom.xml, build.gradle, go.mod, Cargo.lock, Gemfile.lock) and any Dockerfiles for the affected packages, including transitive dependencies.
2. If an affected version is in use, upgrade it to the fixed version for its release line with the project's package manager, so the lockfile is regenerated. Prefer the smallest upgrade that fixes it.
3. If there is no fix, or the upgrade would break the build, do not guess: explain the risk and the safest workaround instead.
4. Run the tests and summarise what changed and why.
5. If nothing in the project is affected, say so and change nothing.

Reference: https://insights.sbomify.com/CVE-2022-24887/ (Markdown: https://insights.sbomify.com/CVE-2022-24887/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2022-24887
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2022-24887
- OSV: https://osv.dev/vulnerability/CVE-2022-24887

---
From sbomify Insights: https://insights.sbomify.com/CVE-2022-24887/
Summaries are generated and may contain mistakes; the official description above is the record.