CVE-2021-47954

HIGH 8.2

LayerBB 1.1.4 SQL Injection via search_query Parameter

CVSS Score

8.2

EPSS Score

0.0%

EPSS Percentile

0th

LayerBB 1.1.4 contains an SQL injection vulnerability that allows unauthenticated attackers to manipulate database queries by injecting SQL code through the search_query parameter. Attackers can send POST requests to /search.php with malicious search_query values using CASE WHEN statements to extract sensitive database information.

CWE	CWE-89
Vendor	layerbb
Product	layerbb
Published	May 16, 2026

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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

Low

Availability

None

Affected Versions

LayerBB / LayerBB

1.1.4

References

NVD ↗ CVE.org ↗ EPSS Data ↗

exploit-db.com: https://www.exploit-db.com/exploits/49593 vulncheck.com: https://www.vulncheck.com/advisories/layerbb-sql-injection-via-search-query-parameter

Credits

Görkem Haşin