CVE-2026-30643 | DedeCMS 5.7.118 Module setup tag unrestricted upload

VDB-354734 · CVE-2026-30643 · EUVD-2026-17960 DEDECMS 5.7.118 MODULE SETUP TAG UNRESTRICTED UPLOAD HISTORYDIFFRELATEJSONXMLCTI CVSS Meta Temp Score Current Exploit Price (≈) CTI Interest Score 6.3 $0-$5k 1.71+ Summaryinfo A vulnerability, which was classified as critical, was found in DedeCMS 5.7.118. The affected element is an unknown function of the component Module Handler. Such manipulation of the argument setup tag leads to unrestricted upload. This vulnerability is traded as CVE-2026-30643. The attack may be launched remotely. There is no exploit available. Detailsinfo A vulnerability was found in DedeCMS 5.7.118. It has been rated as critical. Affected by this issue is some unknown functionality of the component Module Handler. The manipulation of the argument setup tag with an unknown input leads to a unrestricted upload vulnerability. Using CWE to declare the problem leads to CWE-434. The product allows the attacker to upload or transfer files of dangerous types that can be automatically processed within the product's environment. Impacted is confidentiality, integrity, and availability. CVE summarizes: An issue was discovered in DedeCMS 5.7.118 allowing attackers to execute code via crafted setup tag values in a module upload. This vulnerability is handled as CVE-2026-30643 since 03/04/2026. The exploitation is known to be easy. The attack may be launched remotely. Technical details are known, but there is no available exploit. The structure of the vulnerability defines a possible price range of USD $0-$5k at the moment (estimation calculated on 04/01/2026). This vulnerability is assigned to T1608.002 by the MITRE ATT&CK project. There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product. The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2026-17960). Productinfo Type Content Management System Name DedeCMS Version 5.7.118 License commercial CPE 2.3info 🔒 CPE 2.2info 🔒 CVSSv4info VulDB Vector: 🔒 VulDB Reliability: 🔍 CVSSv3info VulDB Meta Base Score: 6.3 VulDB Meta Temp Score: 6.3 VulDB Base Score: 6.3 VulDB Temp Score: 6.3 VulDB Vector: 🔒 VulDB Reliability: 🔍 CVSSv2info Vector Complexity Authentication Confidentiality Integrity Availability Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock VulDB Base Score: 🔒 VulDB Temp Score: 🔒 VulDB Reliability: 🔍 Exploitinginfo Class: Unrestricted upload CWE: CWE-434 / CWE-284 / CWE-266 CAPEC: 🔒 ATT&CK: 🔒 Physical: No Local: No Remote: Yes Availability: 🔒 Status: Not defined Price Prediction: 🔍 Current Price Estimation: 🔒 0-Day Unlock Unlock Unlock Unlock Today Unlock Unlock Unlock Unlock Threat Intelligenceinfo Interest: 🔍 Active Actors: 🔍 Active APT Groups: 🔍 Countermeasuresinfo Recommended: no mitigation known Status: 🔍 0-Day Time: 🔒 Timelineinfo 03/04/2026 CVE reserved 04/01/2026 +27 days Advisory disclosed 04/01/2026 +0 days VulDB entry created 04/01/2026 +0 days VulDB entry last update Sourcesinfo Status: Not defined CVE: CVE-2026-30643 (🔒) GCVE (CVE): GCVE-0-2026-30643 GCVE (VulDB): GCVE-100-354734 EUVD: 🔒 Entryinfo Created: 04/01/2026 19:17 Updated: 04/01/2026 22:15 Changes: 04/01/2026 19:17 (53), 04/01/2026 22:15 (1) Complete: 🔍 Cache ID: 99:132:101 Discussion No comments yet. Languages: en. Please log in to comment. ◂ PreviousOverviewNext ▸