CVE-2026-1115 | parisneo lollms up to 2.1.x __init__.py create_post cross site scripting

VDB-356801 · CVE-2026-1115 · GCVE-0-2026-1115 PARISNEO LOLLMS UP TO 2.1.X __INIT__.PY CREATE_POST CROSS SITE SCRIPTING HISTORYDIFFRELATEJSONXMLCTI CVSS Meta Temp Score Current Exploit Price (≈) CTI Interest Score 5.9 $0-$5k 1.52+ Summaryinfo A vulnerability marked as problematic has been reported in parisneo lollms up to 2.1.x. Impacted is the function create_post of the file backend/routers/social/__init__.py. The manipulation leads to cross site scripting. This vulnerability is documented as CVE-2026-1115. The attack can be initiated remotely. There is not any exploit available. It is suggested to upgrade the affected component. Detailsinfo A vulnerability was found in parisneo lollms up to 2.1.x and classified as problematic. This issue affects the function create_post of the file backend/routers/social/__init__.py. 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: A Stored Cross-Site Scripting (XSS) vulnerability was identified in the social feature of parisneo/lollms, affecting the latest version prior to 2.2.0. The vulnerability exists in the `create_post` function within `backend/routers/social/__init__.py`, where user-provided content is directly assigned to the `DBPost` model without sanitization. This allows attackers to inject and store malicious JavaScript, which is executed in the browsers of users viewing the Home Feed, including administrators. This can lead to account takeover, session hijacking, and wormable attacks. The issue is resolved in version 2.2.0. The advisory is shared at huntr.com. The identification of this vulnerability is CVE-2026-1115 since 01/17/2026. The exploitation is known to be easy. The attack may be initiated remotely. The exploitation needs additional levels of successful authentication. It demands that the victim is doing some kind of user interaction. Technical details are known, but no exploit is available. MITRE ATT&CK project uses the attack technique T1059.007 for this issue. Upgrading to version 2.2.0 eliminates this vulnerability. Productinfo Vendor parisneo Name lollms Version 2.0 2.1 CPE 2.3info 🔒 🔒 CPE 2.2info 🔒 🔒 CVSSv4info VulDB Vector: 🔒 VulDB Reliability: 🔍 CVSSv3info VulDB Meta Base Score: 6.0 VulDB Meta Temp Score: 5.9 VulDB Base Score: 2.4 VulDB Temp Score: 2.3 VulDB Vector: 🔒 VulDB Reliability: 🔍 CNA Base Score: 9.6 CNA Vector (@huntr_ai): 🔒 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: lollms 2.2.0 Timelineinfo 01/17/2026 CVE reserved 04/10/2026 +82 days Advisory disclosed 04/10/2026 +0 days VulDB entry created 04/10/2026 +0 days VulDB entry last update Sourcesinfo Advisory: huntr.com Status: Confirmed CVE: CVE-2026-1115 (🔒) GCVE (CVE): GCVE-0-2026-1115 GCVE (VulDB): GCVE-100-356801 Entryinfo Created: 04/10/2026 09:17 Changes: 04/10/2026 09:17 (65) Complete: 🔍 Cache ID: 99:307:101 Discussion No comments yet. Languages: en. Please log in to comment. ◂ PreviousOverviewNext ▸