CVE-2023-26690: File Upload vulnerability in CS-Cart MultiVendor 4.16.1 allows remote attackers to run arbitrary code via File

This month

HIGH 8.8DOWNGRADE

CVE-2023-26690 is a high-severity flaw (CVSS 8.8) affecting cs-cart multivendor. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

File Upload vulnerability in CS-Cart MultiVendor 4.16.1 allows remote attackers to run arbitrary code via File Manager/Editor component in the vendor or admin menu.

Why this priority

High severity
Public exploit reference

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	8.8 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	0.7% (top 48%)
CISA exploited list	No
Weakness	CWE-434
Published	2024-09-25
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: cs-cart

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

Am I affected?

Timeline

2024-09-25 01:15 UTCPublished CVE record published
2026-06-17 05:43 UTCUpdated Record last modified

cs-cart cs-cart multivendor DOWNGRADE

Affected: 4.16.1

Fixed in: no fixed release known

Safe to downgrade to: a release before 4.16.1

1. Check installed version

apt-cache policy cs-cart-multivendor || rpm -q cs-cart-multivendor || cs-cart-multivendor --version

2. No fixed release: DOWNGRADE to a release before 4.16.1 (Debian / Ubuntu)

apt-cache madison cs-cart-multivendor sudo apt install cs-cart-multivendor=<VERSION_BEFORE_4.16.1> sudo apt-mark hold cs-cart-multivendor

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list cs-cart-multivendor sudo dnf downgrade cs-cart-multivendor-<VERSION_BEFORE_4.16.1> sudo dnf versionlock add cs-cart-multivendor

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-2023-26690?

cs-cart multivendor: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2023-26690 being exploited?

CVE-2023-26690 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-2023-26690 affect?

CVE-2023-26690 affects cs-cart multivendor. Severity is high (CVSS 8.8). File Upload vulnerability in CS-Cart MultiVendor 4.16.1 allows remote attackers to run arbitrary code via File Manager/Editor component in the vendor or admin menu.

How urgent is CVE-2023-26690?

Priority 49/100. High severity; Public exploit reference

Related CVEs

CVE-2023-26691 HIGH 7.2 DOWNGRADE Directory Traversal vulnerability in CS-Cart MultiVendor 4.16.1 allows remote attackers to run arbitrary code
CVE-2023-26689 CRITICAL 9.8 DOWNGRADE An issue discovered in CS-Cart MultiVendor 4.16.1 allows attackers to alter arbitrary user account profiles vi
CVE-2023-26688 MEDIUM 5.4 DOWNGRADE Cross Site Scripting (XSS) vulnerability in CS-Cart MultiVendor 4.16.1 allows remote attackers to run arbitrar
CVE-2023-26687 HIGH 8.8 DOWNGRADE Directory Traversal vulnerability in CS-Cart MultiVendor 4.16.1 allows remote attackers to obtain sensitive in
CVE-2023-26686 CRITICAL 9.8 DOWNGRADE File Upload vulnerability in CS-Cart MultiVendor 4.16.1 allows remote attackers to run arbitrary code via the

References

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