Description Preview
A stored cross-site scripting (XSS) vulnerability has been identified in Jeesns version 1.4.2. The vulnerability exists in the /weibo/comment component where user input is not properly sanitized before being stored and displayed back to users. Attackers can exploit this vulnerability by submitting malicious JavaScript code in the Weibo comment section, which is then stored on the server and executed in victims' browsers when they view the affected page. This can lead to cookie theft, session hijacking, credential harvesting, or other client-side attacks.
Overview
Jeesns is an open-source social networking system based on Java and Spring. The vulnerability (CVE-2020-19290) affects version 1.4.2 and potentially earlier versions. The issue is classified as CWE-79 (Cross-site Scripting) and allows attackers to inject malicious scripts into the Weibo comment functionality. When other users view comments containing the injected code, their browsers will execute the script in the context of their session. This can lead to unauthorized access to sensitive information, account takeover, or further attacks against the application and its users.
Remediation
To mitigate this vulnerability, system administrators and developers should:
- Update to the latest version of Jeesns if a patched version is available.
- Implement proper input validation and output encoding for all user-supplied content, especially in the Weibo comment section.
- Consider implementing a Content Security Policy (CSP) to restrict the execution of unauthorized scripts.
- Apply the principle of least privilege to limit the impact of successful XSS attacks.
- Regularly audit code for security vulnerabilities, especially in areas handling user input.
- If immediate patching is not possible, consider temporarily disabling the comment functionality until a fix can be applied.
References
- GitHub Issue: https://github.com/zchuanzhao/jeesns/issues/20
- Seebug Vulnerability Database: https://www.seebug.org/vuldb/ssvid-97949
- CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting'): https://cwe.mitre.org/data/definitions/79.html
Industry ExposureMost to leastThis section illustrates the prevalence of a specific Common Vulnerabilities and Exposures (CVE) across various industries based on customer reports. The ranking displays industries from the most to least affected by this particular vulnerability, offering valuable insight into where this CVE has been most frequently observed. This information can help organizations within these sectors prioritize their security efforts, understand their relative risk exposure compared to their peers, and focus remediation strategies where they are most needed. By understanding the industry-specific impact, organizations can make more informed decisions regarding patching, resource allocation, and overall risk management related to this CVE.
This section illustrates the prevalence of a specific Common Vulnerabilities and Exposures (CVE) across various industries based on customer reports. The ranking displays industries from the most to least affected by this particular vulnerability, offering valuable insight into where this CVE has been most frequently observed. This information can help organizations within these sectors prioritize their security efforts, understand their relative risk exposure compared to their peers, and focus remediation strategies where they are most needed. By understanding the industry-specific impact, organizations can make more informed decisions regarding patching, resource allocation, and overall risk management related to this CVE.
- Accommodation & Food ServicesAccommodation & Food Services
- Administrative, Support, Waste Management & Remediation ServicesAdministrative, Support, Waste Management & Remediation Services
- Agriculture, Forestry Fishing & HuntingAgriculture, Forestry Fishing & Hunting
- Arts, Entertainment & RecreationArts, Entertainment & Recreation
- ConstructionConstruction
- Educational ServicesEducational Services
- Finance and InsuranceFinance and Insurance
- Health Care & Social AssistanceHealth Care & Social Assistance
- InformationInformation
- Management of Companies & EnterprisesManagement of Companies & Enterprises
- ManufacturingManufacturing
- MiningMining
- Other Services (except Public Administration)Other Services (except Public Administration)
- Professional, Scientific, & Technical ServicesProfessional, Scientific, & Technical Services
- Public AdministrationPublic Administration
- Real Estate Rental & LeasingReal Estate Rental & Leasing
- Retail TradeRetail Trade
- Transportation & WarehousingTransportation & Warehousing
- UtilitiesUtilities
- Wholesale TradeWholesale Trade
