CVE-2021-43846: `solidus_frontend` is the cart and storefront for the Solidus e-commerce project

This week

MEDIUM 5.3REMOTEUPGRADE

CVE-2021-43846 is a medium-severity flaw (CVSS 5.3) affecting solidus. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

`solidus_frontend` is the cart and storefront for the Solidus e-commerce project. Versions of `solidus_frontend` prior to 3.1.5, 3.0.5, and 2.11.14 contain a cross-site request forgery (CSRF) vulnerability that allows a malicious site to add an item to the user's cart without their knowledge. Versions 3.1.5, 3.0.5, and 2.11.14 contain a patch for this issue. The patch adds CSRF token verification to the "Add to cart" action. Adding forgery protec

Why this priority

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

A fixed release or distro patch exists.

Risk facts

CVSS score	5.3 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	0.6% (top 52%)
CISA exploited list	No
Weakness	CWE-352
Published	2021-12-20
Last modified	2026-06-17

Publisher (CNA): GitHub, Inc. · Vendor: nebulab

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

Am I affected?

Timeline

2021-12-20 22:15 UTCPublished CVE record published
2026-06-17 04:11 UTCUpdated Record last modified

nebulab solidus UPGRADE

Affected: < 2.11.14 · >= 3.0.0 and < 3.0.5 · >= 3.1.0 and < 3.1.5

Fixed in: 2.11.14, 3.0.5, 3.1.5

Safe to downgrade to: a release before 3.0.0

1. Check installed version

apt-cache policy solidus || rpm -q solidus || solidus --version

2. UPGRADE to 2.11.14 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade solidus

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade solidus

Note

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

3. If no update is available yet, DOWNGRADE to a release before 3.0.0 (Debian / Ubuntu)

apt-cache madison solidus sudo apt install solidus=<VERSION_BEFORE_3.0.0> sudo apt-mark hold solidus

3. If no update is available yet, DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list solidus sudo dnf downgrade solidus-<VERSION_BEFORE_3.0.0> sudo dnf versionlock add solidus

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

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-2021-43846?

solidus: upgrade to 2.11.14, 3.0.5, 3.1.5. Exact commands for each OS are on this page.

Is CVE-2021-43846 being exploited?

CVE-2021-43846 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-2021-43846 affect?

CVE-2021-43846 affects solidus. Severity is medium (CVSS 5.3). `solidus_frontend` is the cart and storefront for the Solidus e-commerce project. Versions of `solidus_frontend` prior to 3.1.5, 3.0.5, and 2.11.14 contain a cross-site request forgery (CSRF) vulnerability that allows a malicious site to ad

How urgent is CVE-2021-43846?

Priority 41/100. Public exploit reference; Remotely exploitable, no login, no user action

Related CVEs

CVE-2022-31000 LOW 2.3 UPGRADE solidus_backend is the admin interface for the Solidus e-commerce framework

References

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