CVE-2025-3435 MangBoard WP <= 1.8.6 - Authenticated (Administrator+) Stored Cross-Site Scripting via Board Header And Footer
Administrators can inject scripts via board headers/footers in Mang Board WP, affecting multi-site or unfiltered_html disabled setups.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2025-3435?
CVE-2025-3435 is a medium-severity cross-site scripting vulnerability in kitae-park Mang Board WP, published on 24 Apr 2025. An attacker needs administrator access to exploit it, with no action from the victim.
Official description
The Mang Board WP plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the board_header and board_footer parameters in all versions up to, and including, 1.8.6 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with administrator-level access, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. This only affects multi-site installations and installations where unfiltered_html has been disabled.
Weakness: CWE-79
Which versions are affected by CVE-2025-3435?
How do I fix CVE-2025-3435?
No fix has been published for CVE-2025-3435 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-2025-3435 being exploited?
There is no known exploitation of CVE-2025-3435 in the wild and no public exploit code.
Sources
Also known as GHSA-w48v-4mqc-9p3w.