CVE-2022-32167 Cloudreve - Stored XSS
A low-privileged user can inject malicious scripts via file uploads, leading to privilege escalation when an admin views the shared file.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- Available
What is CVE-2022-32167?
CVE-2022-32167 is a medium-severity cross-site scripting vulnerability in Cloudreve, published on 20 Sep 2022. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.
Official description
Cloudreve versions v1.0.0 through v3.5.3 are vulnerable to Stored Cross-Site Scripting (XSS), via the file upload functionality. A low privileged user will be able to share a file with an admin user, which could lead to privilege escalation.
Weakness: CWE-79
Which versions are affected by CVE-2022-32167?
4 open source packages ship an affected version, including github.com/HFO4/cloudreve and github.com/cloudreve/Cloudreve/v3. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
github.com/HFO4/cloudreve Go | From 1.0.0 to 2.0.0 | None |
github.com/HFO4/cloudreve Go | From 1.0.0 to 2.0.0 | None |
github.com/cloudreve/Cloudreve/v3 Go | From 3.0.0 | 3.6.0-beta1 |
github.com/cloudreve/Cloudreve/v3 Go | From 3.0.0 | 3.6.0-beta1 |
Products include Cloudreve Cloudreve.
How do I fix CVE-2022-32167?
Upgrade to a fixed version.
Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.
Is CVE-2022-32167 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2022-32167 exists.
Other vulnerabilities in Cloudreve
Sources
Also known as GHSA-fg25-gq9g-32mx.