CVE-2021-47956

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

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VIR risk

8.2

Description

EgavilanMedia PHPCRUD 1.0 contains an SQL injection vulnerability that allows unauthenticated attackers to manipulate database queries by injecting SQL code through the firstname parameter. Attackers can send POST requests to insert.php with malicious firstname values 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://egavilanmedia.com
https://egavilanmedia.com/crud-operation-with-php-mysql-bootstrap-and-dompdf/
https://www.exploit-db.com/exploits/49878
https://www.vulncheck.com/advisories/egavilanmedia-phpcrud-sql-injection-via-firstname

CWEs

CWE-89

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