CVE-2026-7014 MaxSite CMS down_count Plugin cross site scripting
A cross-site scripting vulnerability in the MaxSite CMS down_count plugin allows remote attackers to inject malicious scripts via the f_file or f_prefix arguments.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2026-7014?
CVE-2026-7014 is a medium-severity cross-site scripting vulnerability in MaxSite CMS, published on 26 Apr 2026. An attacker needs administrator access to exploit it, and only if a user opens a file or follows a link.
Official description
A flaw has been found in MaxSite CMS up to 109.3. This vulnerability affects unknown code of the component down_count Plugin. This manipulation of the argument f_file/f_prefix causes cross site scripting. The attack may be initiated remotely. The exploit has been published and may be used. Upgrading to version 109.4 is able to resolve this issue. Patch name: 8a3946bd0a54bfb72a4d57179fcd253f2c550cd7. The affected component should be upgraded. The vendor was informed early about this issue. They classify it as a "Self-XSS". They deployed a countermeasure: "Nevertheless, we consider this a violation of secure coding standards. The lack of filtering via `htmlspecialchars()` has already been fixed in the latest patch to prevent incorrect data display."
Which versions are affected by CVE-2026-7014?
How do I fix CVE-2026-7014?
No fix has been published for CVE-2026-7014 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-2026-7014 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-7014 exists.
Sources
Also known as GHSA-gfm4-7pv3-76ph.