What’s Vulnerable › Vulnerabilities

CVE-2021-47954: LayerBB 1.1.4 SQL Injection via search_query Parameter

• Severity: high (CVSS 8.2 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-05-16 · updated 2026-06-17
• Weakness: CWE-89

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.

Affected products

• LayerBB: 1.1.4

References

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

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