How severe is CVE-2023-26686?

CVE-2023-26686 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2023-26686 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (49th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-26686?

CVE-2023-26686 affects Cs-cart Cs-cart Multivendor. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-26686?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

Does CVE-2023-26686 have an EU (EUVD) identifier?

Yes. CVE-2023-26686 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-30481.

When was CVE-2023-26686 published?

CVE-2023-26686 was published on 2024-09-25 and last updated on 2026-06-17.

CVE-2023-26686

CVE-2023-26686 is a critical-severity vulnerability in Cs-cart Cs-cart Multivendor with a CVSS 3.x base score of 9.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-434.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
EPSS exploit prediction: 1% (49th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2023-30481
Weakness: CWE-434
Affected product: Cs-cart Cs-cart Multivendor
Published: 2024-09-25
Last modified: 2026-06-17

Description

File Upload vulnerability in CS-Cart MultiVendor 4.16.1 allows remote attackers to run arbitrary code via the image upload feature when customizing a shop.

Frequently asked questions

What is CVE-2023-26686?: File Upload vulnerability in CS-Cart MultiVendor 4.16.1 allows remote attackers to run arbitrary code via the image upload feature when customizing a shop.
How severe is CVE-2023-26686?: CVE-2023-26686 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2023-26686 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (49th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-26686?: CVE-2023-26686 affects Cs-cart Cs-cart Multivendor. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-26686?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
Does CVE-2023-26686 have an EU (EUVD) identifier?: Yes. CVE-2023-26686 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-30481.
When was CVE-2023-26686 published?: CVE-2023-26686 was published on 2024-09-25 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:cs-cart:cs-cart_multivendor:4.16.1:*:*:*:*:*:*:*

More vulnerabilities in Cs-cart Cs-cart Multivendor

CVE-2023-26689 — Critical (CVSS 9.8): An issue discovered in CS-Cart MultiVendor 4.16.1 allows attackers to alter arbitrary user account profiles via crafted…
CVE-2023-26690 — High (CVSS 8.8): File Upload vulnerability in CS-Cart MultiVendor 4.16.1 allows remote attackers to run arbitrary code via File…
CVE-2023-26687 — High (CVSS 8.8): Directory Traversal vulnerability in CS-Cart MultiVendor 4.16.1 allows remote attackers to obtain sensitive information…
CVE-2017-2138 — High (CVSS 8.8): Cross-site request forgery (CSRF) vulnerability in CS-Cart Japanese Edition v4.3.10 and earlier (excluding v2 and v3),…
CVE-2023-26691 — High (CVSS 7.2): Directory Traversal vulnerability in CS-Cart MultiVendor 4.16.1 allows remote attackers to run arbitrary code via…
CVE-2023-26688 — Medium (CVSS 5.4): Cross Site Scripting (XSS) vulnerability in CS-Cart MultiVendor 4.16.1 allows remote attackers to run arbitrary code…

All CVEs affecting Cs-cart Cs-cart Multivendor →

Other CWE-434 (Unrestricted Upload of File with Dangerous Type) vulnerabilities

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