What is CVE-2025-6335?

CVE-2025-6335 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 2025-06-20.

How severe is CVE-2025-6335?

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

Is CVE-2025-6335 known to be exploited?

5 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

RCE in Dedecms

CVE-2025-6335

A vulnerability was found in DedeCMS up to 5.7.2 and classified as critical. This issue affects some unknown processing of the file /include/dedetag.class.php of the component Template Handler. The manipulation of the argument notes leads to command injection. The attack may be initiated remotely. The exploit has been disclosed to the public and may be used.

EPSS: 0.069 (93.4th 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

Dedecms
N/a Dedecms — versions 5.7.0, 5.7.1, 5.7.2

Weakness classification (CWE)

Public proof-of-concept exploits

References

cna@vuldb.com (technical-description, VDB Entry, Third Party Advisory, vdb-entry)
cna@vuldb.com (signature, Permissions Required, permissions-required, VDB Entry)
cna@vuldb.com (VDB Entry, Third Party Advisory, third-party-advisory)
cna@vuldb.com (issue-tracking, Exploit, Third Party Advisory, exploit, Issue Tracking)

Frequently asked questions

What is CVE-2025-6335?: CVE-2025-6335 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 2025-06-20.
How severe is CVE-2025-6335?: Medium severity. CVSS v3 base score is 4.7 out of 10.
Is CVE-2025-6335 known to be exploited?: 5 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.