CVE-2026-33400 | ellite Wallos up to 4.6.x Statistics Page payment cross site scripting

VDB-352832 · CVE-2026-33400 · GCVE-0-2026-33400 ELLITE WALLOS UP TO 4.6.X STATISTICS PAGE PAYMENT CROSS SITE SCRIPTING HISTORYDIFFRELATEJSONXMLCTI CVSS Meta Temp Score Current Exploit Price (≈) CTI Interest Score 4.4 $0-$5k 3.08+ Summaryinfo A vulnerability was found in ellite Wallos up to 4.6.x and classified as problematic. The impacted element is the function payment of the component Statistics Page. Such manipulation leads to cross site scripting. This vulnerability is uniquely identified as CVE-2026-33400. The attack can be launched remotely. No exploit exists. It is suggested to upgrade the affected component. Detailsinfo A vulnerability was found in ellite Wallos up to 4.6.x and classified as problematic. Affected by this issue is the function payment of the component Statistics Page. The manipulation with an unknown input leads to a cross site scripting vulnerability. Using CWE to declare the problem leads to 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. Impacted is integrity. CVE summarizes: Wallos is an open-source, self-hostable personal subscription tracker. Prior to version 4.7.0, a stored cross-site scripting (XSS) vulnerability in the payment method rename endpoint allows any authenticated user to inject arbitrary JavaScript that executes when any user visits the Settings, Subscriptions, or Statistics pages. Combined with the wallos_login authentication cookie lacking the HttpOnly flag, this enables full session hijacking. This issue has been patched in version 4.7.0. The advisory is shared for download at github.com. This vulnerability is handled as CVE-2026-33400 since 03/19/2026. The exploitation is known to be easy. The attack may be launched remotely. Successful exploitation requires user interaction by the victim. There are known technical details, but no exploit is available. The MITRE ATT&CK project declares the attack technique as T1059.007. Upgrading to version 4.7.0 eliminates this vulnerability. Productinfo Vendor ellite Name Wallos Version 4.0 4.1 4.2 4.3 4.4 4.5 4.6 Website Product: https://github.com/ellite/Wallos/ CPE 2.3info 🔒 🔒 🔒 CPE 2.2info 🔒 🔒 🔒 CVSSv4info VulDB Vector: 🔒 VulDB Reliability: 🔍 CVSSv3info VulDB Meta Base Score: 4.4 VulDB Meta Temp Score: 4.4 VulDB Base Score: 3.5 VulDB Temp Score: 3.4 VulDB Vector: 🔒 VulDB Reliability: 🔍 CNA Base Score: 5.4 CNA Vector (GitHub_M): 🔒 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: 🔒 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: Upgrade Status: 🔍 0-Day Time: 🔒 Upgrade: Wallos 4.7.0 Timelineinfo 03/19/2026 CVE reserved 03/24/2026 +5 days Advisory disclosed 03/24/2026 +0 days VulDB entry created 03/24/2026 +0 days VulDB entry last update Sourcesinfo Product: github.com Advisory: github.com Status: Confirmed CVE: CVE-2026-33400 (🔒) GCVE (CVE): GCVE-0-2026-33400 GCVE (VulDB): GCVE-100-352832 Entryinfo Created: 03/24/2026 19:09 Changes: 03/24/2026 19:09 (65) Complete: 🔍 Cache ID: 99:65A:101 Discussion No comments yet. Languages: en. Please log in to comment. ◂ PreviousOverviewNext ▸