CVE-2016-4877 Cross-site scripting in baserCMS plugin Mail
Remote authenticated attackers can inject arbitrary web script or HTML into the baserCMS Mail plugin, 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-2016-4877?
CVE-2016-4877 is a medium-severity cross-site scripting vulnerability in Basercms Basercms, published on 12 May 2017. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.
Official description
Cross-site scripting vulnerability in baserCMS plugin Mail version 3.0.10 and earlier allows remote authenticated attackers to inject arbitrary web script or HTML via unspecified vectors.
Weakness: CWE-79
Which versions are affected by CVE-2016-4877?
It affects 2 products.
Products include Basercms Basercms, Basercms Mail.
How do I fix CVE-2016-4877?
No fix has been published for CVE-2016-4877 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-2016-4877 being exploited?
There is no known exploitation of CVE-2016-4877 in the wild and no public exploit code.
Other vulnerabilities in Basercms Basercms
- CVE-2023-25654 baserCMS File Uploader Remote Code Execution (RCE) vulnerability
- CVE-2023-25655 baserCMS allows any file to be uploaded
- CVE-2017-10842 baserCMS SQL Injection vulnerability
- CVE-2026-30880 baserCMS: OS command injection vulnerability in installer
- CVE-2026-21861 baserCMS: OS Command Injection Leading to Remote Code Execution (RCE)
Sources
Also known as GHSA-vp53-8q87-xfwc.