CVE-2019-16108 json
phpBB arbitrary CSS injection
published 2020-03-19 6 y ago modified 2026-06-17 4 mo ago also GHSA-8hc2-hvrc-x4qr , EUVD-2022-3186
- cvss
- 7.5
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.1%
- EPSS 1.1% chance of exploitation in 30 days, percentile 65%
- public exploits
- 0
- none known
Summary
phpBB 3.2.7 allows adding an arbitrary Cascading Style Sheets (CSS) token sequence to a page through BBCode.
Patch / fix
Exploit prediction
1.08% chance of exploitation in the next 30 days, higher than 65% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N |
| NVD | 2.0 | 5.0 | AV:N/AC:L/Au:N/C:N/I:P/A:N |
| GitHub | 3.1 | 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| packagist | phpbb/phpbb | >=3.2.7, <3.2.8 |
3.2.8 |
Classification
- Weakness
-
- CWE-94 Improper Control of Generation of Code
References
-
phpbb.com
/community/viewtopic.php?t=2523271
web, patch, release-notes, vendor-advisory
-
nvd.nist.gov
/vuln/detail/CVE-2019-16108
advisory
-
github.com
/phpbb/phpbb-app
package
Sources
- CVE List CVE-2019-16108
- GitHub Advisory GHSA-8hc2-hvrc-x4qr
- NVD CVE-2019-16108
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.