CVE-2024-24785 Errors returned from JSON marshaling may break template escaping in html/template
Attackers can inject unexpected content into templates by exploiting errors from JSON marshaling, bypassing auto-escaping in Go's html/template package.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2024-24785?
CVE-2024-24785 is a medium-severity cross-site scripting vulnerability in Go standard library html/template, published on 5 Mar 2024. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
If errors returned from MarshalJSON methods contain user controlled data, they may be used to break the contextual auto-escaping behavior of the html/template package, allowing for subsequent actions to inject unexpected content into templates.
Which versions are affected by CVE-2024-24785?
2 open source packages ship an affected version, including golang and stdlib.
| Package | Affected | Fixed in |
|---|---|---|
golang Bitnami | All versions | 1.21.8, 1.22.1 |
stdlib Go | All versions | 1.21.8, 1.22.1 |
How do I fix CVE-2024-24785?
Upgrade golang to a fixed version for your release line: 1.21.8 or 1.22.1.
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-2024-24785 being exploited?
There is no known exploitation of CVE-2024-24785 in the wild and no public exploit code.
Sources
Also known as AZL-37457, AZL-37460, AZL-79024, AZL-98967, BELL-CVE-2024-24785, BIT-golang-2024-24785 and 8 more.