CVE-2021-47954

HIGH EPSS 14.6%

Published May 16, 20261mo ago · Modified Jun 17, 20261w ago

8.8 CVSS 4.0

High

Published May 16, 2026 1mo ago

Last Modified Jun 17, 2026 1w ago

Description

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.

CVSS Details

Base Score

8.8

Exploitability

—

Impact

—

Vector string

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:L/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Attack Vector Network

Attack Complexity Low

Privileges Required None

User Interaction None

Scope X

Threat Intelligence

EPSS Exploit Probability

14.6% percentile

Exploit & Patch Status

No Known Exploit

No Patch Available

Weaknesses 1

CWE-89 SQL Injection Injection

References 2

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

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.