CVE-2021-24306 Ultimate Member < 2.1.20 - Authenticated Reflected Cross-Site Scripting (XSS)
Authenticated attackers can execute arbitrary scripts in victim browsers via a malicious link in the Ultimate Member WordPress plugin.
- 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-2021-24306?
CVE-2021-24306 is a medium-severity cross-site scripting vulnerability in Ultimate Member – User Profile, User Registration, Login & Membership Plugin, published on 24 May 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
The Ultimate Member – User Profile, User Registration, Login & Membership Plugin WordPress plugin before 2.1.20 did not properly sanitise, validate or encode the query string when generating a link to edit user's own profile, leading to an authenticated reflected Cross-Site Scripting issue. Knowledge of the targeted username is required to exploit this, and attackers would then need to make the related logged in user open a malicious link.
Weakness: CWE-79
Which versions are affected by CVE-2021-24306?
It affects 1 product.
Products include Ultimatemember Ultimate Member.
How do I fix CVE-2021-24306?
No fix has been published for CVE-2021-24306 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-2021-24306 being exploited?
There is no known exploitation of CVE-2021-24306 in the wild and no public exploit code.
Other vulnerabilities in Ultimate Member – User Profile, User Registration, Login & Membership Plugin
- CVE-2020-36155 Privilege escalation in n/a
- CVE-2020-36157 Privilege escalation in n/a
- CVE-2020-36156 Privilege escalation in n/a
- CVE-2024-1071 SQL injection in Ultimate Member – User Profile, Registration, Login, Member Directory, Content Restriction & Membership Plugin
- CVE-2023-3460 Ultimate Member < 2.6.7 - Unauthenticated Privilege Escalation
Sources
Also known as GHSA-8cvw-43cv-8xmh.