CVE-2019-16108
CVE-2019-16108 is a high-severity vulnerability in Phpbb with a CVSS 3.x base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-94.
Key facts
- Severity: High (CVSS 3.x base score 7.5)
- CVSS v2: 5.0
- EPSS exploit prediction: 1% (61st percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-94
- Affected product: Phpbb
- Published:
- Last modified:
Description
phpBB 3.2.7 allows adding an arbitrary Cascading Style Sheets (CSS) token sequence to a page through BBCode.
Frequently asked questions
- What is CVE-2019-16108?
- phpBB 3.2.7 allows adding an arbitrary Cascading Style Sheets (CSS) token sequence to a page through BBCode.
- How severe is CVE-2019-16108?
- CVE-2019-16108 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.
- Is CVE-2019-16108 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (61st percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2019-16108?
- CVE-2019-16108 affects Phpbb. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2019-16108?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- When was CVE-2019-16108 published?
- CVE-2019-16108 was published on 2020-03-20 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:a:phpbb:phpbb:3.2.7:*:*:*:*:*:*:*
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