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CVE-2021-47811

Grocerycrud Grocery Crud SQL injection

9.1 CRITICALPublic exploitEPSS 0.59%
  1. Published15 Jan 2026

Description

Grocery Crud 1.6.4 contains a SQL injection vulnerability in the order_by parameter that allows remote attackers to manipulate database queries. Attackers can inject malicious SQL code through the order_by[] parameter in POST requests to the ajax_list endpoint to potentially extract or modify database information.

CVSS 3.1 breakdown

Attack vectorNetwork
Attack complexityLow
Privileges requiredNone
User interactionNone
ScopeUnchanged
ConfidentialityHigh
IntegrityHigh
AvailabilityNone
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

Affected products

Grocerycrud Grocery Crud< 2.0.1

Remediation

Fixed in
Grocerycrud Grocery Crud≥ 2.0.1

References

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Frequently asked

Is CVE-2021-47811 being actively exploited?

CVE-2021-47811 is not in the CISA KEV catalog. A public exploit reference exists, so treat it as exploitable. Its EPSS exploit probability is 0.59%.

How severe is CVE-2021-47811?

CVE-2021-47811 has a CVSS 3.1 base score of 9.1, rated critical. EPSS estimates a 0.59% probability of exploitation.

Which products are affected by CVE-2021-47811?

Affected products include Grocerycrud Grocery Crud.

How do I fix CVE-2021-47811?

Upgrade affected software to a fixed version, for example Grocerycrud Grocery Crud 2.0.1 or later, then confirm no affected versions remain in your inventory.

How Secuno handles this

Secuno correlates vulnerabilities like CVE-2021-47811 against the real software inventory on every managed device, every day. Rather than a static severity, each match is scored in context: exploit availability, EPSS, the asset's exposure, and business criticality decide where it lands in the queue. If an affected version is present anywhere across your portfolio, it surfaces automatically with a prioritised remediation path.

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Data from the NVD, CISA KEV catalog and FIRST EPSS. CVSS 3.1 base score shown where available.