How severe is CVE-2019-16531?

CVE-2019-16531 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2019-16531 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (83rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2019-16531?

CVE-2019-16531 affects Layerbb. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2019-16531?

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-2019-16531 published?

CVE-2019-16531 was published on 2019-09-20 and last updated on 2026-06-17.

CVE-2019-16531

CVE-2019-16531 is a high-severity vulnerability in Layerbb with a CVSS 3.x base score of 8.8. 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-352.

Key facts

Severity: High (CVSS 3.x base score 8.8)
CVSS v2: 6.8
EPSS exploit prediction: 3% (83rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-352
Affected product: Layerbb
Published: 2019-09-20
Last modified: 2026-06-17

Description

LayerBB before 1.1.4 has multiple CSRF issues, as demonstrated by changing the System Settings via admin/general.php.

Frequently asked questions

What is CVE-2019-16531?: LayerBB before 1.1.4 has multiple CSRF issues, as demonstrated by changing the System Settings via admin/general.php.
How severe is CVE-2019-16531?: CVE-2019-16531 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2019-16531 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (83rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-16531?: CVE-2019-16531 affects Layerbb. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2019-16531?: 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-2019-16531 published?: CVE-2019-16531 was published on 2019-09-20 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:layerbb:layerbb:*:*:*:*:*:*:*:*

More vulnerabilities in Layerbb

CVE-2019-13973 — Critical (CVSS 9.8): LayerBB 1.1.3 allows admin/general.php arbitrary file upload because the custom_logo filename suffix is not restricted,…
CVE-2018-17988 — Critical (CVSS 9.8): LayerBB 1.1.1 and 1.1.3 has SQL Injection via the search.php search_query parameter.
CVE-2019-13974 — High (CVSS 8.8): LayerBB 1.1.3 allows conversations.php/cmd/new CSRF.
CVE-2018-17996 — Medium (CVSS 6.5): LayerBB before 1.1.3 allows CSRF for adding a user via admin/new_user.php, deleting a user via…
CVE-2019-13972 — Medium (CVSS 6.1): LayerBB 1.1.3 allows XSS via the application/commands/new.php pm_title variable, a related issue to CVE-2019-17997.
CVE-2018-17997 — Medium (CVSS 6.1): LayerBB 1.1.1 allows XSS via the titles of conversations (PMs).

All CVEs affecting Layerbb →

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