CVE-2026-1913 | gallagherwebsitedesign Gallagher Website Design Plugin up to 2.6.4 on WordPress Shortcode login_link cross site scripting

VDB-358835 · CVE-2026-1913 · GCVE-0-2026-1913 GALLAGHERWEBSITEDESIGN GALLAGHER WEBSITE DESIGN PLUGIN UP TO 2.6.4 ON WORDPRESS SHORTCODE LOGIN_LINK CROSS SITE SCRIPTING HISTORYDIFFRELATEJSONXMLCTI CVSS Meta Temp Score Current Exploit Price (≈) CTI Interest Score 4.9 $0-$5k 0.50+ Summaryinfo A vulnerability, which was classified as problematic, has been found in gallagherwebsitedesign Gallagher Website Design Plugin up to 2.6.4 on WordPress. This issue affects the function login_link of the component Shortcode Handler. The manipulation leads to cross site scripting. This vulnerability is referenced as CVE-2026-1913. Remote exploitation of the attack is possible. No exploit is available. It is advisable to upgrade the affected component. Detailsinfo A vulnerability was found in gallagherwebsitedesign Gallagher Website Design Plugin up to 2.6.4 on WordPress and classified as problematic. This issue affects the function login_link of the component Shortcode Handler. 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. The summary by CVE is: The Gallagher Website Design plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's login_link shortcode in all versions up to, and including, 2.6.4 due to insufficient input sanitization and output escaping on the 'prefix' attribute. This makes it possible for authenticated attackers, with Contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. The weakness was published by Djaidja Moundjid. It is possible to read the advisory at wordfence.com. The identification of this vulnerability is CVE-2026-1913 since 02/04/2026. The exploitation is known to be easy. The attack may be initiated remotely. It demands that the victim is doing some kind of user interaction. Technical details of the vulnerability are known, but there is no available exploit. The attack technique deployed by this issue is T1059.007 according to MITRE ATT&CK. Upgrading to version 2.6.4 eliminates this vulnerability. Productinfo Type WordPress Plugin Vendor gallagherwebsitedesign Name Gallagher Website Design Plugin Version 2.6.0 2.6.1 2.6.2 2.6.3 2.6.4 CPE 2.3info 🔒 🔒 🔒 CPE 2.2info 🔒 🔒 🔒 CVSSv4info VulDB Vector: 🔒 VulDB Reliability: 🔍 CVSSv3info VulDB Meta Base Score: 4.9 VulDB Meta Temp Score: 4.9 VulDB Base Score: 3.5 VulDB Temp Score: 3.4 VulDB Vector: 🔒 VulDB Reliability: 🔍 CNA Base Score: 6.4 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: Gallagher Website Design Plugin 2.6.4 Timelineinfo 02/04/2026 CVE reserved 04/22/2026 +76 days Advisory disclosed 04/22/2026 +0 days VulDB entry created 04/22/2026 +0 days VulDB entry last update Sourcesinfo Advisory: wordfence.com Researcher: Djaidja Moundjid Status: Confirmed CVE: CVE-2026-1913 (🔒) GCVE (CVE): GCVE-0-2026-1913 GCVE (VulDB): GCVE-100-358835 Entryinfo Created: 04/22/2026 13:28 Changes: 04/22/2026 13:28 (68) Complete: 🔍 Cache ID: 99:51E:101 Discussion No comments yet. Languages: en. Please log in to comment. ◂ PreviousOverviewNext ▸