CVE-2026-1838 | prasunsen Hostel Plugin up to 1.1.6 on WordPress Shortcode shortcode_id cross site scripting

VDB-358177 · CVE-2026-1838 · GCVE-0-2026-1838 PRASUNSEN HOSTEL PLUGIN UP TO 1.1.6 ON WORDPRESS SHORTCODE SHORTCODE_ID CROSS SITE SCRIPTING HISTORYDIFFRELATEJSONXMLCTI CVSS Meta Temp Score Current Exploit Price (≈) CTI Interest Score 5.1 $0-$5k 0.00+ Summaryinfo A vulnerability, which was classified as problematic, has been found in prasunsen Hostel Plugin up to 1.1.6 on WordPress. The affected element is an unknown function of the component Shortcode Handler. This manipulation of the argument shortcode_id causes cross site scripting. This vulnerability is tracked as CVE-2026-1838. The attack is possible to be carried out remotely. No exploit exists. It is advisable to upgrade the affected component. Detailsinfo A vulnerability has been found in prasunsen Hostel Plugin up to 1.1.6 on WordPress and classified as problematic. Affected by this vulnerability is an unknown functionality of the component Shortcode Handler. The manipulation of the argument shortcode_id 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. The summary by CVE is: The Hostel plugin for WordPress is vulnerable to Reflected Cross-Site Scripting via the 'shortcode_id' parameter in all versions up to, and including, 1.1.6 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that execute if they can successfully trick a user into performing an action such as clicking on a link. The weakness was disclosed by Huy Tran. The advisory is shared at wordfence.com. This vulnerability is known as CVE-2026-1838 since 02/03/2026. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. It demands that the victim is doing some kind of user interaction. Technical details are known, but no exploit is available. MITRE ATT&CK project uses the attack technique T1059.007 for this issue. Upgrading to version 1.1.6 eliminates this vulnerability. Productinfo Type WordPress Plugin Vendor prasunsen Name Hostel Plugin Version 1.1.0 1.1.1 1.1.2 1.1.3 1.1.4 1.1.5 1.1.6 CPE 2.3info 🔒 🔒 🔒 CPE 2.2info 🔒 🔒 🔒 CVSSv4info VulDB Vector: 🔒 VulDB Reliability: 🔍 CVSSv3info VulDB Meta Base Score: 5.2 VulDB Meta Temp Score: 5.1 VulDB Base Score: 4.3 VulDB Temp Score: 4.1 VulDB Vector: 🔒 VulDB Reliability: 🔍 CNA Base Score: 6.1 CNA Vector (Wordfence): 🔒 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: Hostel Plugin 1.1.6 Timelineinfo 02/03/2026 CVE reserved 04/18/2026 +73 days Advisory disclosed 04/18/2026 +0 days VulDB entry created 04/18/2026 +0 days VulDB entry last update Sourcesinfo Advisory: wordfence.com Researcher: Huy Tran Status: Confirmed CVE: CVE-2026-1838 (🔒) GCVE (CVE): GCVE-0-2026-1838 GCVE (VulDB): GCVE-100-358177 Entryinfo Created: 04/18/2026 09:22 Changes: 04/18/2026 09:22 (68) Complete: 🔍 Cache ID: 99:E06:101 Discussion No comments yet. Languages: en. Please log in to comment. ◂ PreviousOverviewNext ▸