What is CVE-2026-8753?

CVE-2026-8753 is a medium-severity vulnerability in Kalcaddle Kodbox, classified under Improper Neutralization of Special Elements in Output Used by a Downstream Component (Injection). CVSS score: 6.3/10. Published 2026-05-17.

How severe is CVE-2026-8753?

Medium severity. CVSS v3 base score is 6.3 out of 10.

RCE in Kalcaddle Kodbox

CVE-2026-8753

A security vulnerability has been detected in kalcaddle Kodbox up to 1.64. This issue affects the function parseVideoInfo of the file /workspace/source-code/plugins/fileThumb/lib/VideoResize.class.php of the component fileThumb Plugin. The…

EPSS: 0.014 (80.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L.

Affected products

Kalcaddle Kodbox — versions 1.0, 1.1, 1.2

Weakness classification (CWE)

References

cna@vuldb.com (third-party-advisory)
cna@vuldb.com (technical-description, vdb-entry)
cna@vuldb.com (signature, permissions-required)
cna@vuldb.com (exploit)

Frequently asked questions

What is CVE-2026-8753?: CVE-2026-8753 is a medium-severity vulnerability in Kalcaddle Kodbox, classified under Improper Neutralization of Special Elements in Output Used by a Downstream Component (Injection). CVSS score: 6.3/10. Published 2026-05-17.
How severe is CVE-2026-8753?: Medium severity. CVSS v3 base score is 6.3 out of 10.