CVE-2020-12639 Cross-site scripting in n/a
Cross-site scripting in phpList allows attackers to execute scripts and elevate privileges via the admin template interface.
- 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
- Available
What is CVE-2020-12639?
CVE-2020-12639 is a medium-severity cross-site scripting vulnerability in n/a, published on 4 May 2020. 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
phpList before 3.5.3 allows XSS, with resultant privilege elevation, via lists/admin/template.php.
Weakness: CWE-79
Which versions are affected by CVE-2020-12639?
1 open source package ship an affected version, including phplist. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
phplist Bitnami | All versions | 3.5.3 |
Products include Phplist Phplist.
How do I fix CVE-2020-12639?
Upgrade phplist to 3.5.3 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-2020-12639 being exploited?
There is no known exploitation of CVE-2020-12639 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as BIT-phplist-2020-12639, GHSA-43p3-w85x-8jw6.