CVE-2026-1116 | parisneo lollms up to 2.1.x AppLollmsMessage from_dict content cross site scripting

VDB-356991 · CVE-2026-1116 · GCVE-0-2026-1116 PARISNEO LOLLMS UP TO 2.1.X APPLOLLMSMESSAGE FROM_DICT CONTENT CROSS SITE SCRIPTING HISTORYDIFFRELATEJSONXMLCTI CVSS Meta Temp Score Current Exploit Price (≈) CTI Interest Score 6.1 $0-$5k 2.70+ Summaryinfo A vulnerability was found in parisneo lollms up to 2.1.x. It has been classified as problematic. This affects the function from_dict of the component AppLollmsMessage. Performing a manipulation of the argument content results in cross site scripting. This vulnerability is identified as CVE-2026-1116. The attack can be initiated remotely. There is not any exploit available. Upgrading the affected component is recommended. Detailsinfo A vulnerability was found in parisneo lollms up to 2.1.x. It has been classified as problematic. This affects the function from_dict of the component AppLollmsMessage. The manipulation of the argument content 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 Cross-site Scripting (XSS) vulnerability was identified in the `from_dict` method of the `AppLollmsMessage` class in parisneo/lollms prior to version 2.2.0. The vulnerability arises from the lack of sanitization or HTML encoding of the `content` field when deserializing user-provided data. This allows an attacker to inject malicious HTML or JavaScript payloads, which can be executed in the context of another user's browser. Exploitation of this vulnerability can lead to account takeover, session hijacking, or wormable attacks. It is possible to read the advisory at huntr.com. This vulnerability is uniquely identified as CVE-2026-1116 since 01/17/2026. 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. Technical details of the vulnerability are known, but there is no available exploit. The attack technique deployed by this issue is T1059.007 according to MITRE ATT&CK. Upgrading to version 2.2.0 eliminates this vulnerability. Applying the patch 9767b882dbc893c388a286856beeaead69b8292a is able to eliminate this problem. The bugfix is ready for download at github.com. The best possible mitigation is suggested to be upgrading to the latest version. Productinfo Vendor parisneo Name lollms Version 2.0 2.1 License open-source Website Product: https://github.com/parisneo/lollms/ CPE 2.3info 🔒 🔒 CPE 2.2info 🔒 🔒 CVSSv4info VulDB Vector: 🔒 VulDB Reliability: 🔍 CVSSv3info VulDB Meta Base Score: 6.2 VulDB Meta Temp Score: 6.1 VulDB Base Score: 4.3 VulDB Temp Score: 4.1 VulDB Vector: 🔒 VulDB Reliability: 🔍 CNA Base Score: 8.2 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 Patch: 9767b882dbc893c388a286856beeaead69b8292a Timelineinfo 01/17/2026 CVE reserved 04/12/2026 +84 days Advisory disclosed 04/12/2026 +0 days VulDB entry created 04/12/2026 +0 days VulDB entry last update Sourcesinfo Product: github.com Advisory: huntr.com Status: Confirmed CVE: CVE-2026-1116 (🔒) GCVE (CVE): GCVE-0-2026-1116 GCVE (VulDB): GCVE-100-356991 Entryinfo Created: 04/12/2026 06:24 Changes: 04/12/2026 06:24 (69) Complete: 🔍 Cache ID: 99:127:101 Discussion No comments yet. Languages: en. Please log in to comment. ◂ PreviousOverviewNext ▸