CVE-2020-22840 Open redirect in n/a
An attacker can redirect users to malicious sites via the redirect_to parameter in b2evolution CMS email passthrough script.
- 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-2020-22840?
CVE-2020-22840 is a medium-severity vulnerability in n/a, published on 9 Feb 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
Open redirect vulnerability in b2evolution CMS version prior to 6.11.6 allows an attacker to perform malicious open redirects to an attacker controlled resource via redirect_to parameter in email_passthrough.php.
Weakness: CWE-601
Which versions are affected by CVE-2020-22840?
It affects 1 product.
Products include B2evolution B2evolution.
How do I fix CVE-2020-22840?
No fix has been published for CVE-2020-22840 yet. Limit exposure of the affected software until one is available.
Is CVE-2020-22840 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2020-22840 exists.
Public exploit code: 1 Nuclei template.
Other vulnerabilities in n/a
Sources
Also known as GHSA-v56p-8m5q-738r.