CVE-2021-21494 Cross-site scripting in n/a
Cross-site scripting in MK-AUTH allows attackers to steal session tokens, potentially leading to account takeover.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2021-21494?
CVE-2021-21494 is a medium-severity cross-site scripting vulnerability in n/a, published on 4 Jan 2021. An attacker needs administrator access to exploit it, and only if a user opens a file or follows a link.
Official description
MK-AUTH through 19.01 K4.9 allows XSS via the admin/logs_ajax.php tipo parameter. An attacker can leverage this to read the centralmka2 (session token) cookie, which is not set to HTTPOnly.
Weakness: CWE-732
Which versions are affected by CVE-2021-21494?
It affects 1 product.
Products include Mk-Auth Mk-Auth.
How do I fix CVE-2021-21494?
No fix has been published for CVE-2021-21494 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-2021-21494 being exploited?
There is no known exploitation of CVE-2021-21494 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as GHSA-w46m-mpvw-cv2h.