CVE-2026-6633 | Yifang CMS up to 2.0.5 Extended Management L_rbac_admin.php store Account cross site scripting

VDB-358267 · SUBMIT #793352 · CVE-2026-6633 YIFANG CMS UP TO 2.0.5 EXTENDED MANAGEMENT L_RBAC_ADMIN.PHP STORE ACCOUNT CROSS SITE SCRIPTING HISTORYDIFFRELATEJSONXMLCTI CVSS Meta Temp Score Current Exploit Price (≈) CTI Interest Score 3.2 $0-$5k 1.02+ Summaryinfo A vulnerability was found in Yifang CMS up to 2.0.5. It has been rated as problematic. This affects the function store of the file plugins/yifang_backend_account/logic/admin/L_rbac_admin.php of the component Extended Management Module. This manipulation of the argument Account causes cross site scripting. This vulnerability is tracked as CVE-2026-6633. The attack is possible to be carried out remotely. Moreover, an exploit is present. The vendor was contacted early about this disclosure but did not respond in any way. Detailsinfo A vulnerability has been found in Yifang CMS up to 2.0.5 and classified as problematic. Affected by this vulnerability is the function store of the file plugins/yifang_backend_account/logic/admin/L_rbac_admin.php of the component Extended Management Module. The manipulation of the argument account with an unknown input leads to a cross site scripting vulnerability. The CWE definition for the vulnerability is CWE-79. The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users. As an impact it is known to affect integrity. It is possible to read the advisory at github.com. This vulnerability is known as CVE-2026-6633. The exploitation appears to be easy. The attack can be launched remotely. It demands that the victim is doing some kind of user interaction. Technical details and also a public exploit are known. The attack technique deployed by this issue is T1059.007 according to MITRE ATT&CK. 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:plugins/yifang_backend_account/logic/admin/L_rbac_admin.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 Type Content Management System Vendor Yifang Name CMS Version 2.0.0 2.0.1 2.0.2 2.0.3 2.0.4 2.0.5 CPE 2.3info 🔒 🔒 🔒 CPE 2.2info 🔒 🔒 🔒 CVSSv4info VulDB Vector: 🔒 VulDB Reliability: 🔍 CVSSv3info VulDB Meta Base Score: 3.5 VulDB Meta Temp Score: 3.2 VulDB Base Score: 3.5 VulDB Temp Score: 3.2 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: Cross site scripting CWE: CWE-79 / CWE-94 / CWE-74 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 04/19/2026 Advisory disclosed 04/19/2026 +0 days VulDB entry created 04/19/2026 +0 days VulDB entry last update Sourcesinfo Advisory: github.com Status: Not defined CVE: CVE-2026-6633 (🔒) GCVE (CVE): GCVE-0-2026-6633 GCVE (VulDB): GCVE-100-358267 scip Labs: https://www.scip.ch/en/?labs.20161013 Entryinfo Created: 04/19/2026 21:17 Changes: 04/19/2026 21:17 (59) Complete: 🔍 Submitter: shiyifei Cache ID: 99:E3D:101 Submitinfo Accepted Submit #793352: yifang yifangcms 2.0.5 Cross Site Scripting (by shiyifei) Discussion No comments yet. Languages: en. Please log in to comment. ◂ PreviousOverviewNext ▸