CVE-2021-26924 Cross-site scripting in n/a
Missing XSS protection header in Argo CD allows bypassing browser security features, potentially facilitating cross-site scripting attacks.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2021-26924?
CVE-2021-26924 is a medium-severity cross-site scripting vulnerability in Argoproj Argo Cd, published on 15 Mar 2021. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official description
An issue was discovered in Argo CD before 1.8.4. Browser XSS protection is not activated due to the missing XSS protection header.
Weakness: CWE-79
Which versions are affected by CVE-2021-26924?
It affects 1 product.
Products include Argoproj Argo Cd.
How do I fix CVE-2021-26924?
No fix has been published for CVE-2021-26924 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-2021-26924 being exploited?
There is no known exploitation of CVE-2021-26924 in the wild and no public exploit code.
Other vulnerabilities in Argoproj Argo Cd
- CVE-2025-55190 Argo CD: Project API Token Exposes Repository Credentials
- CVE-2022-29165 Argo CD will blindly trust JWT claims if anonymous access is enabled
- CVE-2023-40029 Cluster secret might leak in cluster details page in Argo CD
- CVE-2022-24768 Improper access control allows admin privilege escalation in Argo CD
- CVE-2024-21652 Argo CD vulnerable to Bypassing of Brute Force Protection via Application Crash and In-Memory Data Loss
Sources
Also known as GHSA-pg99-h5gc-446r.