CVE-2020-23214 Cross-site scripting in n/a
Attackers can execute arbitrary scripts via stored XSS in the category configuration field of phplist, potentially compromising user sessions.
- 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-2020-23214?
CVE-2020-23214 is a medium-severity cross-site scripting vulnerability in n/a, published on 1 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 phplist 3.5.3 allows attackers to execute arbitrary web scripts or HTML via a crafted payload entered into the "Configure categories" field under the "Categorise Lists" module.
Weakness: CWE-79
Which versions are affected by CVE-2020-23214?
1 open source package ship an affected version, including phplist. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
phplist Bitnami | From 3.5.3 to 3.5.3 | None |
Products include Phplist Phplist.
How do I fix CVE-2020-23214?
No fix has been published for CVE-2020-23214 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-2020-23214 being exploited?
There is no known exploitation of CVE-2020-23214 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as BIT-phplist-2020-23214, GHSA-6mrf-9c3p-wq48.