CVE-2021-47811: Grocery Crud 1.6.4 contains a SQL injection vulnerability in the order_by parameter that allows remote attacke

Q: How do I fix CVE-2021-47811?

grocery crud: upgrade to 2.0.1. Exact commands for each OS are on this page.

Q: Is CVE-2021-47811 being exploited?

CVE-2021-47811 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2021-47811 affect?

CVE-2021-47811 affects grocery crud. Severity is critical (CVSS 9.1). 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 th

Q: How urgent is CVE-2021-47811?

Priority 54/100. Critical severity; Public exploit reference; Remotely exploitable, no login, no user action

This week

CRITICAL 9.1REMOTEUPGRADE

CVE-2021-47811 is a critical-severity flaw (CVSS 9.1) affecting grocery crud. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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.

Why this priority

Critical severity
Public exploit reference
Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	9.1 (Critical)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	0.6% (top 53%)
CISA exploited list	No
Weakness	CWE-89
Published	2026-01-16
Last modified	2026-06-17

Publisher (CNA): VulnCheck · Vendor: grocerycrud

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-01-16 00:16 UTCPublished CVE record published
2026-06-17 04:18 UTCUpdated Record last modified

grocerycrud grocery crud UPGRADE

Affected: < 2.0.1

Fixed in: 2.0.1

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy grocery-crud || rpm -q grocery-crud || grocery-crud --version

2. UPGRADE to 2.0.1 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade grocery-crud

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade grocery-crud

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2021-47811?

grocery crud: upgrade to 2.0.1. Exact commands for each OS are on this page.

Is CVE-2021-47811 being exploited?

CVE-2021-47811 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2021-47811 affect?

CVE-2021-47811 affects grocery crud. Severity is critical (CVSS 9.1). 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 th

How urgent is CVE-2021-47811?

Priority 54/100. Critical severity; Public exploit reference; Remotely exploitable, no login, no user action

References

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