CVE-2009-4733

medium

Published 2010-03-18 · Modified 2026-04-29

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CVSS v3

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CVSS v4 NEW

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not yet in upstream

VIR risk

7.8

Description

SQL injection vulnerability in checkuser.php in SimpleLoginSys 0.5, when magic_quotes_gpc is disabled, allows remote attackers to execute arbitrary SQL commands via the username parameter. NOTE: some of these details are obtained from third party information.

Predictions

Exploit likelihood

20%

Patch ETA

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Heuristic predictions, AS-IS, for prioritization only.

Mitigations

No mitigations published for this CVE yet.

The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.

✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here with source_tier=community-verified.

Exploits

Public proof-of-concept code below. AS-IS, for defenders and authorised testing only.

Exploit-DB

EDB-9336 webapps php verified

SirGod · 2009-08-03

SimpleLoginSys 0.5 - Authentication Bypass

Source code queued for fetch — refresh in a moment.

Application impact

Vendor	Product	Versions	Fixed
supercrackmunkey	simpleloginsys	`0.5`

References

CWEs

CWE-89

Community-verified mitigations for this CVE will appear above when contributors publish them.

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