CVE-2026-33673 | PrestaShop up to 8.2.4/9.0.x cross site scripting

VDB-353777 · CVE-2026-33673 · GCVE-0-2026-33673 PRESTASHOP UP TO 8.2.4/9.0.X CROSS SITE SCRIPTING HISTORYDIFFRELATEJSONXMLCTI CVSS Meta Temp Score Current Exploit Price (≈) CTI Interest Score 4.7 $0-$5k 2.02+ Summaryinfo A vulnerability marked as problematic has been reported in PrestaShop up to 8.2.4/9.0.x. The affected element is an unknown function. The manipulation leads to cross site scripting. This vulnerability is uniquely identified as CVE-2026-33673. The attack is possible to be carried out remotely. No exploit exists. It is suggested to upgrade the affected component. Detailsinfo A vulnerability was found in PrestaShop up to 8.2.4/9.0.x and classified as problematic. This issue affects an unknown code. 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: PrestaShop is an open source e-commerce web application. Versions prior to 8.2.5 and 9.1.0 are vulnerable to stored Cross-Site Scripting (stored XSS) vulnerabilities in the BO. An attacker who can inject data into the database, via limited back-office access or a previously existing vulnerability, can exploit unprotected variables in back-office templates. Versions 8.2.5 and 9.1.0 contain a fix. No known workarounds are available. The advisory is shared at github.com. The identification of this vulnerability is CVE-2026-33673 since 03/23/2026. The exploitation is known to be difficult. The attack may be initiated remotely. Additional levels of successful authentication are required for exploitation. It demands that the victim is doing some kind of user interaction. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1059.007 for this issue. Upgrading to version 8.2.5 or 9.1.0 eliminates this vulnerability. Productinfo Type E-Commerce Management Software Name PrestaShop Version 8.2.0 8.2.1 8.2.2 8.2.3 8.2.4 9.0 License open-source Website Product: https://github.com/PrestaShop/PrestaShop/ CPE 2.3info 🔒 🔒 🔒 CPE 2.2info 🔒 🔒 🔒 CVSSv4info VulDB Vector: 🔒 VulDB Reliability: 🔍 CVSSv3info VulDB Meta Base Score: 4.8 VulDB Meta Temp Score: 4.7 VulDB Base Score: 2.0 VulDB Temp Score: 1.9 VulDB Vector: 🔒 VulDB Reliability: 🔍 CNA Base Score: 7.6 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: PrestaShop 8.2.5/9.1.0 Timelineinfo 03/23/2026 CVE reserved 03/26/2026 +3 days Advisory disclosed 03/26/2026 +0 days VulDB entry created 03/26/2026 +0 days VulDB entry last update Sourcesinfo Product: github.com Advisory: github.com Status: Confirmed CVE: CVE-2026-33673 (🔒) GCVE (CVE): GCVE-0-2026-33673 GCVE (VulDB): GCVE-100-353777 Entryinfo Created: 03/26/2026 23:20 Changes: 03/26/2026 23:20 (63) Complete: 🔍 Cache ID: 99:125:101 Discussion No comments yet. Languages: en. Please log in to comment. ◂ PreviousOverviewNext ▸