What is CVE-2026-15533?

CVE-2026-15533 is a medium-severity vulnerability in Dedecms, classified under Improper Neutralization of Special Elements in Output Used by a Downstream Component (Injection). CVSS score: 4.7/10. Published 2026-07-13.

How severe is CVE-2026-15533?

Medium severity. CVSS v3 base score is 4.7 out of 10.

RCE in Dedecms

CVE-2026-15533

A security flaw has been discovered in DedeCMS 5.7.118. Impacted is an unknown function of the file /plus/search.php of the component Column Management. Performing a manipulation of the argument Column Name results in code injection. The attack is possible to be carried out remotely. The exploit has been released to the public and may be used for attacks.

EPSS: 0.004 (36.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.7 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L.

Affected products

N/a Dedecms — versions 5.7.118

Weakness classification (CWE)

References

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

Frequently asked questions

What is CVE-2026-15533?: CVE-2026-15533 is a medium-severity vulnerability in Dedecms, classified under Improper Neutralization of Special Elements in Output Used by a Downstream Component (Injection). CVSS score: 4.7/10. Published 2026-07-13.
How severe is CVE-2026-15533?: Medium severity. CVSS v3 base score is 4.7 out of 10.