CVE-2021-21319 Several stored XSS
Attackers can inject malicious JavaScript into Galette's self-subscription, login, and password retrieval pages, potentially compromising user sessions.
- 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-2021-21319?
CVE-2021-21319 is a medium-severity cross-site scripting vulnerability in galette, published on 25 Oct 2021. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.
Official description
Galette is a membership management web application geared towards non profit organizations. In versions prior to 0.9.5, malicious javascript code can be stored to be displayed later on self subscription page. The self subscription feature can be disabled as a workaround (this is the default state). Malicious javascript code can be executed (not stored) on login and retrieve password pages. This issue is patched in version 0.9.5.
Weakness: CWE-79
Which versions are affected by CVE-2021-21319?
It affects 1 product.
Products include Galette Galette.
How do I fix CVE-2021-21319?
No fix has been published for CVE-2021-21319 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-2021-21319 being exploited?
There is no known exploitation of CVE-2021-21319 in the wild and no public exploit code.
Other vulnerabilities in galette
Sources
Also known as GHSA-vjc9-mj44-x59q, UBUNTU-CVE-2021-21319.