CVE-2026-6159 | code-projects Simple ChatBox up to 1.0 Endpoint /chatbox/insert.php msg cross site scripting

VDB-357039 · CVE-2026-6159 · SUBMIT #357039 CODE-PROJECTS SIMPLE CHATBOX UP TO 1.0 ENDPOINT /CHATBOX/INSERT.PHP MSG CROSS SITE SCRIPTING HISTORYDIFFRELATEJSONXMLCTI CVSS Meta Temp Score Current Exploit Price (≈) CTI Interest Score 3.9 $0-$5k 1.06+ Summaryinfo A vulnerability marked as problematic has been reported in code-projects Simple ChatBox up to 1.0. Affected by this issue is some unknown functionality of the file /chatbox/insert.php of the component Endpoint. Performing a manipulation of the argument msg results in cross site scripting. This vulnerability is cataloged as CVE-2026-6159. It is possible to initiate the attack remotely. Furthermore, there is an exploit available. Detailsinfo A vulnerability classified as problematic has been found in code-projects Simple ChatBox up to 1.0. This affects an unknown code of the file /chatbox/insert.php of the component Endpoint. The manipulation of the argument msg 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. It is possible to read the advisory at github.com. This vulnerability is uniquely identified as CVE-2026-6159. 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 and a public exploit are known. The attack technique deployed by this issue is T1059.007 according to MITRE ATT&CK. The exploit is shared for download at github.com. It is declared as proof-of-concept. By approaching the search of inurl:chatbox/insert.php it is possible to find vulnerable targets with Google Hacking. There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product. Productinfo Type Project Management Software Vendor code-projects Name Simple ChatBox Version 1.0 License free Website Vendor: https://code-projects.org/ CPE 2.3info 🔒 CPE 2.2info 🔒 CVSSv4info VulDB Vector: 🔒 VulDB Reliability: 🔍 CVSSv3info VulDB Meta Base Score: 4.3 VulDB Meta Temp Score: 3.9 VulDB Base Score: 4.3 VulDB Temp Score: 3.9 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: 🔒 Access: Public Status: Proof-of-Concept Download: 🔒 Google Hack: 🔒 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 04/12/2026 Advisory disclosed 04/12/2026 +0 days VulDB entry created 04/12/2026 +0 days VulDB entry last update Sourcesinfo Vendor: code-projects.org Advisory: github.com Status: Not defined CVE: CVE-2026-6159 (🔒) GCVE (CVE): GCVE-0-2026-6159 GCVE (VulDB): GCVE-100-357039 scip Labs: https://www.scip.ch/en/?labs.20161013 Entryinfo Created: 04/12/2026 20:16 Changes: 04/12/2026 20:16 (57) Complete: 🔍 Submitter: AhmadMarzook Cache ID: 99:D18:101 Submitinfo Accepted Submit #796666: code-projects Simple ChatBox In PHP 1.0 Cross Site Scripting (by AhmadMarzook) Discussion No comments yet. Languages: en. Please log in to comment. ◂ PreviousOverviewNext ▸