CVE-2026-3877 | VertiGIS FM up to 10.13.402 cross site scripting

VDB-354663 · CVE-2026-3877 · GCVE-0-2026-3877 VERTIGIS FM UP TO 10.13.402 CROSS SITE SCRIPTING HISTORYDIFFRELATEJSONXMLCTI CVSS Meta Temp Score Current Exploit Price (≈) CTI Interest Score 4.1 $0-$5k 1.77+ Summaryinfo A vulnerability, which was classified as problematic, has been found in VertiGIS FM up to 10.13.402. Affected by this issue is some unknown functionality. Performing a manipulation results in cross site scripting. This vulnerability was named CVE-2026-3877. The attack may be initiated remotely. There is no available exploit. It is advisable to upgrade the affected component. Detailsinfo A vulnerability classified as problematic has been found in VertiGIS FM up to 10.13.402. This affects an unknown functionality. 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 reflected cross-site scripting (XSS) vulnerability in the dashboard search functionality of the VertiGIS FM solution allows attackers to craft a malicious URL, that if visited by an authenticated victim, will execute arbitrary JavaScript in the victim's context. Such a URL could be delivered through various means, for instance, by sending a link or by tricking victims to visit a page crafted by the attacker. The weakness was presented by Benjamin Faller and Andreas Pfefferle. It is possible to read the advisory at redguard.ch. This vulnerability is uniquely identified as CVE-2026-3877 since 03/10/2026. 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. It is declared as proof-of-concept. Upgrading to version 10.13.403 eliminates this vulnerability. Productinfo Vendor VertiGIS Name FM Version 10.13.402 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: 4.3 VulDB Meta Temp Score: 4.1 VulDB Base Score: 4.3 VulDB Temp Score: 4.1 VulDB Vector: 🔒 VulDB Reliability: 🔍 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: Proof-of-Concept 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: FM 10.13.403 Timelineinfo 03/10/2026 CVE reserved 04/01/2026 +21 days Advisory disclosed 04/01/2026 +0 days VulDB entry created 04/01/2026 +0 days VulDB entry last update Sourcesinfo Advisory: redguard.ch Researcher: Benjamin Faller, Andreas Pfefferle Status: Confirmed CVE: CVE-2026-3877 (🔒) GCVE (CVE): GCVE-0-2026-3877 GCVE (VulDB): GCVE-100-354663 Entryinfo Created: 04/01/2026 15:39 Changes: 04/01/2026 15:39 (68) Complete: 🔍 Cache ID: 99:9C8:101 Discussion No comments yet. Languages: en. Please log in to comment. ◂ PreviousOverviewNext ▸