CVE-2026-4794 | PaperCut NG/MF up to 25.0.9 cross site scripting

VDB-354321 · CVE-2026-4794 · GCVE-0-2026-4794 PAPERCUT NG/MF UP TO 25.0.9 CROSS SITE SCRIPTING HISTORYDIFFRELATEJSONXMLCTI CVSS Meta Temp Score Current Exploit Price (≈) CTI Interest Score 3.4 $0-$5k 2.30+ Summaryinfo A vulnerability identified as problematic has been detected in PaperCut NG and MF up to 25.0.9. Affected by this vulnerability is an unknown functionality. Performing a manipulation results in cross site scripting. This vulnerability is identified as CVE-2026-4794. The attack can be initiated remotely. There is not any exploit available. You should upgrade the affected component. Detailsinfo A vulnerability classified as problematic has been found in PaperCut NG and MF up to 25.0.9. This affects some 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: Multiple cross-site scripting (XSS) vulnerabilities in PaperCut NG/MF before 25.0.10 allow authenticated administrator users to inject arbitrary web script or HTML code via different UI fields. This could be used to compromise other admininistrator's sessions or perform unauthorized actions via the administrator's authenticated context (e.g. requires an active login session). The advisory is shared at papercut.com. This vulnerability is uniquely identified as CVE-2026-4794 since 03/25/2026. The exploitability is told to be easy. It is possible to initiate the attack remotely. 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 25.0.10 eliminates this vulnerability. Productinfo Vendor PaperCut Name MF NG Version 25.0.0 25.0.1 25.0.2 25.0.3 25.0.4 25.0.5 25.0.6 25.0.7 25.0.8 25.0.9 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: 3.5 VulDB Meta Temp Score: 3.4 VulDB Base Score: 3.5 VulDB Temp Score: 3.4 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: 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: NG/MF 25.0.10 Timelineinfo 03/25/2026 CVE reserved 03/31/2026 +5 days Advisory disclosed 03/31/2026 +0 days VulDB entry created 03/31/2026 +0 days VulDB entry last update Sourcesinfo Advisory: papercut.com Status: Confirmed CVE: CVE-2026-4794 (🔒) GCVE (CVE): GCVE-0-2026-4794 GCVE (VulDB): GCVE-100-354321 Entryinfo Created: 03/31/2026 08:16 Changes: 03/31/2026 08:16 (66) Complete: 🔍 Cache ID: 99:771:101 Discussion No comments yet. Languages: en. Please log in to comment. ◂ PreviousOverviewNext ▸