CVE-2021-47954

HIGH

LayerBB 1.1.4 SQL Injection via search_query Parameter

Title source: CVE List
Search associated code STIX 2.1 vulnerability STIX 2.1 with PoCs

Record summary

CVE-2021-47954 has a selected CVSS score of 8.8 (high); EIP currently links 1 catalogued exploit.

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.

Description source: CVE List

Exploitation context

Available material

Catalogued exploits
1

CISA SSVC decision

ExploitationPoC
AutomatableYes
Technical impactPartial

CISA Coordinator · SSVC 2.0.3 · Evaluated May 18, 2026 · Source: CVE List

Affected products and versions

1
ProductSourceVersion range

LayerBB

Browse LayerBB / LayerBB
CVE List1.1.4affected

Proofs of concept

1

Catalogued exploits

ExploitDBLayerBB 1.1.4 - 'search_query' SQL InjectionExploitDB exploitby Görkem HaşinNot analyzed1 file
ExploitDB
PoC details

References

3