CVE-2026-6650 | Z-BlogPHP 1.7.5 ZBA File app_upload.php App::UnPack unrestricted upload

VDB-358284 · SUBMIT #793451 · CVE-2026-6650 Z-BLOGPHP 1.7.5 ZBA FILE APP_UPLOAD.PHP APP::UNPACK UNRESTRICTED UPLOAD HISTORYDIFFRELATEJSONXMLCTI Summaryinfo A vulnerability labeled as critical has been found in Z-BlogPHP 1.7.5. This vulnerability affects the function App::UnPack of the file /zb_users/plugin/AppCentre/app_upload.php of the component ZBA File Handler. The manipulation results in unrestricted upload. This vulnerability is cataloged as CVE-2026-6650. The attack may be launched remotely. Furthermore, there is an exploit available. The vendor was contacted early about this disclosure but did not respond in any way. Detailsinfo A vulnerability, which was classified as critical, was found in Z-BlogPHP 1.7.5. Affected is the function App::UnPack of the file /zb_users/plugin/AppCentre/app_upload.php of the component ZBA File Handler. The manipulation with an unknown input leads to a unrestricted upload vulnerability. CWE is classifying the issue as 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. This is going to have an impact on confidentiality, integrity, and availability. The advisory is shared for download at github.com. This vulnerability is traded as CVE-2026-6650. The exploitability is told to be easy. It is possible to launch the attack remotely. Additional levels of successful authentication are needed for exploitation. Technical details and a public exploit are known. The MITRE ATT&CK project declares the attack technique as T1608.002. The exploit is shared for download 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:zb_users/plugin/AppCentre/app_upload.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 Z-BlogPHP Version 1.7.5 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 04/20/2026 Advisory disclosed 04/20/2026 +0 days VulDB entry created 04/20/2026 +0 days VulDB entry last update Sourcesinfo Advisory: github.com Status: Not defined CVE: CVE-2026-6650 (🔒) GCVE (CVE): GCVE-0-2026-6650 GCVE (VulDB): GCVE-100-358284 scip Labs: https://www.scip.ch/en/?labs.20161013 Entryinfo Created: 04/20/2026 07:48 Changes: 04/20/2026 07:48 (56) Complete: 🔍 Submitter: qingyunsec Cache ID: 99:3B8:101 Submitinfo Accepted Submit #793451: Z-Blog Z-BlogPHP 1.7.5 Upload any file (by qingyunsec) Discussion No comments yet. Languages: en. Please log in to comment. ◂ PreviousOverviewNext ▸