CVE-2020-8778 Cross-site scripting in n/a
An attacker with write access can inject malicious scripts via uploaded documents, potentially leading to code execution or account takeover in Alfresco.
- 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-2020-8778?
CVE-2020-8778 is a medium-severity cross-site scripting vulnerability in n/a, published on 2 Mar 2020. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.
Official description
Alfresco Enterprise before 5.2.7 and Alfresco Community before 6.2.0 (rb65251d6-b368) has XSS via an uploaded document, when the attacker has write access to a project.
Weakness: CWE-79
Which versions are affected by CVE-2020-8778?
1 open source package ship an affected version, including alfresco. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
alfresco Bitnami | All versions | 5.2.7, 6.2.0 |
Products include Alfresco Alfresco.
How do I fix CVE-2020-8778?
Upgrade alfresco to a fixed version for your release line: 5.2.7 or 6.2.0.
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-2020-8778 being exploited?
There is no known exploitation of CVE-2020-8778 in the wild and no public exploit code.
Public exploit code: 1 Exploit-DB entry.
Other vulnerabilities in n/a
Sources
Also known as BIT-alfresco-2020-8778, GHSA-3wq2-f93g-wx78.