CVE-2026-6561 | EyouCMS up to 1.7.1 Index.php edit_adminlogo filename unrestricted upload

VDB-358198 · SUBMIT #788038 · CVE-2026-6561 EYOUCMS UP TO 1.7.1 INDEX.PHP EDIT_ADMINLOGO FILENAME UNRESTRICTED UPLOAD HISTORYDIFFRELATEJSONXMLCTI CVSS Meta Temp Score Current Exploit Price (≈) CTI Interest Score 4.3 $0-$5k 2.51 Summaryinfo A vulnerability categorized as critical has been discovered in EyouCMS up to 1.7.1. Impacted is the function edit_adminlogo of the file application/admin/controller/Index.php. Executing a manipulation of the argument filename can lead to unrestricted upload. This vulnerability appears as CVE-2026-6561. The attack may be performed from remote. In addition, an exploit is available. The vendor was contacted early about this disclosure but did not respond in any way. Detailsinfo A vulnerability was found in EyouCMS up to 1.7.1. It has been declared as critical. This vulnerability affects the function edit_adminlogo of the file application/admin/controller/Index.php. The manipulation of the argument filename with an unknown input leads to a unrestricted upload vulnerability. The CWE definition for the vulnerability is 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. As an impact it is known to affect confidentiality, integrity, and availability. The advisory is available at github.com. This vulnerability was named CVE-2026-6561. The exploitation appears to be easy. The attack can be initiated remotely. Additional levels of successful authentication are necessary for exploitation. Technical details and also a public exploit are known. This vulnerability is assigned to T1608.002 by the MITRE ATT&CK project. It is possible to download the exploit at github.com. It is declared as proof-of-concept. The vendor was contacted early about this disclosure but did not respond in any way. By approaching the search of inurl:application/admin/controller/Index.php it is possible to find vulnerable targets with Google Hacking. There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product. Productinfo Name EyouCMS Version 1.7.0 1.7.1 License commercial CPE 2.3info 🔒 🔒 CPE 2.2info 🔒 🔒 CVSSv4info VulDB Vector: 🔒 VulDB Reliability: 🔍 CVSSv3info VulDB Meta Base Score: 4.7 VulDB Meta Temp Score: 4.3 VulDB Base Score: 4.7 VulDB Temp Score: 4.3 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: 🔒 Access: Public Status: Proof-of-Concept Download: 🔒 Google Hack: 🔒 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 04/18/2026 Advisory disclosed 04/18/2026 +0 days VulDB entry created 04/18/2026 +0 days VulDB entry last update Sourcesinfo Advisory: github.com Status: Not defined CVE: CVE-2026-6561 (🔒) GCVE (CVE): GCVE-0-2026-6561 GCVE (VulDB): GCVE-100-358198 scip Labs: https://www.scip.ch/en/?labs.20161013 Entryinfo Created: 04/18/2026 18:03 Changes: 04/18/2026 18:03 (56) Complete: 🔍 Submitter: z0ng Cache ID: 99:40F:101 Submitinfo Accepted Submit #788038: Hainan Zanzan Network Technology Co., Ltd. EyouCMS <= v1.7.1 High (by z0ng) Discussion No comments yet. Languages: en. Please log in to comment. ◂ PreviousOverviewNext ▸