CVE-2021-47954

high

Published 2026-05-16 · Modified 2026-05-18

CVSS v3

8.2

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

CVSS v2

—

VIR risk

8.2

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.

Predictions

Exploit likelihood

88%

Patch ETA

—

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

No vendor mitigations ingested yet for this CVE. The mitigation-content worker queues fetches as references arrive — check back in a few minutes, or see the references list below.

References

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

CWEs

CWE-89

Verify integrity in audit chain (admin only). AS-IS.