CVE-2019-16108 phpBB arbitrary CSS injection
Attackers can inject arbitrary CSS tokens via BBCode in phpBB, potentially leading to code execution or style manipulation.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2019-16108?
CVE-2019-16108 is a high-severity code injection vulnerability in n/a, published on 19 Mar 2020. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
phpBB 3.2.7 allows adding an arbitrary Cascading Style Sheets (CSS) token sequence to a page through BBCode.
Weakness: CWE-94
Which versions are affected by CVE-2019-16108?
2 open source packages ship an affected version, including phpbb/phpbb. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
phpbb/phpbb Packagist | From 3.2.7 | 3.2.8 |
phpbb/phpbb Packagist | From 3.2.7 | 3.2.8 |
Products include Phpbb Phpbb.
How do I fix CVE-2019-16108?
Upgrade phpbb/phpbb to 3.2.8 or later.
Upgrade, and never evaluate templates, expressions or code built from user input. More about Code injection.
Is CVE-2019-16108 being exploited?
There is no known exploitation of CVE-2019-16108 in the wild and no public exploit code.
Other vulnerabilities in n/a
- CVE-2008-3224 Other in n/a
- CVE-2008-1766 Multiple unspecified vulnerabilities in phpBB before 3.0.1 have unknown impact and attack vectors, related to "two minor security-related bu
- CVE-2025-70810 Cross-site request forgery in n/a
- CVE-2001-1471 Code injection in n/a
- CVE-2026-29199 phpBB has Password Reset Link Poisoning via Host Header injection
Sources
Also known as GHSA-8hc2-hvrc-x4qr.