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Public proof of conceptFix available

CVE-2025-6335

DedeCMS Template dedetag.class.php command injection

A public proof of concept exists; no exploitation attested.

  • Published2025-06-20
  • Fixed in5.7.2
  • WeaknessCWE-74 · CWE-77

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

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.

Timeline

dates in UTC
  1. 2025-06-2011:15CVE publishedNVD

Observed activity

isMalicious corpus · updated 2026-10-23 18:48 UTC
Indicators tagged with this CVE, per day0 indicators over 7 days
Block these indicators
  • Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2025-6335?format=txt
  • CSV export: https://api.ismalicious.com/edl/cve/CVE-2025-6335?format=csv
  • TAXII collection of exploited CVEs
  • The EDL and CSV take an API key on the Pro plan.

Versions per branch

NVD
Dedecms
BranchAffectedFixed in
5.7< 5.7.25.7.2

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Fix

  1. Update Dedecms to 5.7.2

Detection

read 2026-10-23 19:24 UTC
Nuclei template
none so far
ProjectDiscovery
Exploit-DB
no entry
Exploit-DB
Proof-of-concept repositories
1 repository, unverifiedjujubooom/CVE-2025-6335
PoC-in-GitHub

Sources

  • CISA-ADPSSVC decisionpoc2025-06-20
  • OpenCVESSVC decisionpoc—
  • CNACVSS 4.02read 2026-10-23
  • CNACVSS 3.14.7read 2026-10-23
  • NVDCVSS 3.17.2read 2026-10-23
  • CNACVSS 2.05.8read 2026-10-23
  • CNAweakness (CWE)CWE-74, CWE-77read 2026-10-23
  • FIRST EPSSEPSS score6.5 %2026-10-22
  • PoC-in-GitHubproof of concept1read 2026-10-23

Technical details

CVSS v3 Vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
CVSS 4.0 vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Published
2025-06-20
Last Modified
2026-06-17
NVD status
Analyzed

Frequently asked questions

What is 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.

Is CVE-2025-6335 actively exploited?

A proof-of-concept exploit exists for CVE-2025-6335, but active exploitation has not been confirmed at this time.

What is the CVSS score for CVE-2025-6335?

CVE-2025-6335 has a CVSS v3 base score of 7.2 (HIGH severity), with vector string CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H.

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