CVE-2026-32986 | Textpattern CMS 4.9.0 XML cross site scripting

VDB-352095 · CVE-2026-32986 · GCVE-0-2026-32986 TEXTPATTERN CMS 4.9.0 XML CROSS SITE SCRIPTING HISTORYDIFFRELATEJSONXMLCTI CVSS Meta Temp Score Current Exploit Price (≈) CTI Interest Score 5.1 $0-$5k 1.77+ Summaryinfo A vulnerability identified as problematic has been detected in Textpattern CMS 4.9.0. The impacted element is an unknown function of the component XML Handler. Performing a manipulation results in cross site scripting. This vulnerability is known as CVE-2026-32986. Remote exploitation of the attack is possible. No exploit is available. Detailsinfo A vulnerability was found in Textpattern CMS 4.9.0. It has been classified as problematic. This affects some unknown functionality of the component XML Handler. The manipulation with an unknown input leads to a cross site scripting vulnerability. CWE is classifying the issue as 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. This is going to have an impact on integrity. The summary by CVE is: A Second-Order Cross-Site Scripting (XSS) vulnerability exists in Textpattern CMS version 4.9.0 due to improper sanitization and contextual encoding of user-supplied input embedded within Atom feed XML elements. User-controlled parameters (e.g., category) are reflected into Atom fields such as and without proper XML escaping. While the payload may not execute directly in modern browsers in raw XML context, it can execute when the feed is consumed by HTML-based feed readers, admin dashboards, or CMS aggregators that insert the feed content into the DOM using unsafe methods (e.g., innerHTML), resulting in JavaScript execution in a trusted context. The weakness was published by indoushka. It is possible to read the advisory at packetstorm.news. This vulnerability is uniquely identified as CVE-2026-32986 since 03/17/2026. The exploitability is told to be easy. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. It demands that the victim is doing some kind of user interaction. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1059.007 according to MITRE ATT&CK. 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 Textpattern Name CMS Version 4.9.0 CPE 2.3info 🔒 CPE 2.2info 🔒 CVSSv4info VulDB Vector: 🔒 VulDB Reliability: 🔍 CNA CVSS-B Score: 🔒 CNA CVSS-BT Score: 🔒 CNA Vector: 🔒 CVSSv3info VulDB Meta Base Score: 5.2 VulDB Meta Temp Score: 5.1 VulDB Base Score: 4.3 VulDB Temp Score: 4.2 VulDB Vector: 🔒 VulDB Reliability: 🔍 CNA Base Score: 6.1 CNA Vector (VulnCheck): 🔒 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: no mitigation known Status: 🔍 0-Day Time: 🔒 Timelineinfo 03/17/2026 CVE reserved 03/20/2026 +3 days Advisory disclosed 03/20/2026 +0 days VulDB entry created 03/20/2026 +0 days VulDB entry last update Sourcesinfo Advisory: packetstorm.news Researcher: indoushka Status: Not defined CVE: CVE-2026-32986 (🔒) GCVE (CVE): GCVE-0-2026-32986 GCVE (VulDB): GCVE-100-352095 Entryinfo Created: 03/20/2026 17:29 Changes: 03/20/2026 17:29 (76) Complete: 🔍 Cache ID: 99:CA5:101 Discussion No comments yet. Languages: en. Please log in to comment. ◂ PreviousOverviewNext ▸