CVE-2020-23194 Cross-site scripting in n/a
Authenticated attackers can execute arbitrary scripts via stored XSS in the Import Subscribers feature of phplist.
- 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
- Available
What is CVE-2020-23194?
CVE-2020-23194 is a medium-severity cross-site scripting vulnerability in n/a, published on 2 Jul 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
A stored cross site scripting (XSS) vulnerability in the "Import Subscribers" feature in phplist 3.5.4 and below allows authenticated attackers to execute arbitrary web scripts or HTML via a crafted payload.
Weakness: CWE-79
Which versions are affected by CVE-2020-23194?
1 open source package ship an affected version, including phplist. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
phplist Bitnami | All versions | 3.5.4 |
Products include Phplist Phplist.
How do I fix CVE-2020-23194?
Upgrade phplist to 3.5.4 or later.
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-2020-23194 being exploited?
There is no known exploitation of CVE-2020-23194 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as BIT-phplist-2020-23194, GHSA-6w6q-9gcr-2fhf.