CVE-2021-41502 Cross site scripting in intelliants/subrion
Attackers can execute malicious JavaScript via stored XSS in Subrion CMS by manipulating uploaded image names.
- 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
- None listed
What is CVE-2021-41502?
CVE-2021-41502 is a medium-severity cross-site scripting vulnerability in n/a, published on 11 Jun 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
An issue was discovered in Subrion CMS v4.2.1 There is a stored cross-site scripting (XSS) vulnerability that can execute malicious JavaScript code by modifying the name of the uploaded image, closing the html tag, or adding the onerror attribute.
Weakness: CWE-79
Which versions are affected by CVE-2021-41502?
2 open source packages ship an affected version, including intelliants/subrion. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
intelliants/subrion Packagist | All versions to 4.2.1 | None |
intelliants/subrion Packagist | All versions to 4.2.1 | None |
Products include Intelliants Subrion Cms.
How do I fix CVE-2021-41502?
No fix has been published for CVE-2021-41502 yet. Limit exposure of the affected software until one is available.
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-2021-41502 being exploited?
There is no known exploitation of CVE-2021-41502 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as GHSA-jvq4-cgfw-jgf4.