CVE-2020-23263 Cross-site scripting in forkcms
Remote attackers can inject arbitrary JavaScript into Fork CMS via navigation and title parameters, potentially compromising user sessions.
- 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-2020-23263?
CVE-2020-23263 is a medium-severity cross-site scripting vulnerability in n/a, published on 6 May 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
Persistent Cross-site scripting vulnerability on Fork CMS version 5.8.2 allows remote attackers to inject arbitrary Javascript code via the "navigation_title" parameter and the "title" parameter in /private/en/pages/add.
Weakness: CWE-79
Which versions are affected by CVE-2020-23263?
2 open source packages ship an affected version, including forkcms/forkcms. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
forkcms/forkcms Packagist | All versions | 5.8.3 |
forkcms/forkcms Packagist | All versions | 5.8.3 |
Products include Fork-Cms Fork Cms.
How do I fix CVE-2020-23263?
Upgrade forkcms/forkcms to 5.8.3 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-2020-23263 being exploited?
There is no known exploitation of CVE-2020-23263 in the wild and no public exploit code.
Other vulnerabilities in n/a
- CVE-2019-15521 Spoon Library as used in Fork CMS allows PHP object injection
- CVE-2022-0153 SQL Injection in forkcms/forkcms
- CVE-2022-1064 SQL injection through marking blog comments on bulk as spam in forkcms/forkcms
- CVE-2021-28931 Arbitrary file upload in Fork CMS
- CVE-2020-23264 Cross-Site Request Forgery in forkcms
Sources
Also known as GHSA-vp4x-94ff-2cmv.