CVE-2026-4616
Cross-Site Scripting in bolo-blog Article Title Handler
Publication date: 2026-03-24
Last updated on: 2026-04-29
Assigner: VulDB
Description
Description
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| bolo-blog | bolo-solo | to 2.6.4 (inc) |
Helpful Resources
Exploitability
| CWE ID | Description |
|---|---|
| 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. |
| CWE-94 | The product constructs all or part of a code segment using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the syntax or behavior of the intended code segment. |
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?
CVE-2026-4616 is a stored Cross-Site Scripting (XSS) vulnerability found in version 2.6.4-stable of the bolo-solo blogging platform. It affects the article creation functionality at the POST /console/article/ endpoint, specifically the articleTitle parameter.
The vulnerability occurs because the articleTitle parameter is not properly sanitized before being stored in the database. This allows an attacker to embed malicious scripts in the articleTitle field.
When users view the affected article, these malicious scripts execute automatically in their browsers.
An attacker can exploit this by logging into the admin panel, submitting a payload such as `<img src=1 onerror=alert(1)>` in the Title field, and publishing the article. The malicious script then triggers when the article is viewed.
How can this vulnerability impact me? :
This vulnerability can have several serious impacts:
- Automatic execution of malicious scripts in the browsers of all users who view the affected article.
- Session hijacking through theft of cookies.
- Credential harvesting by displaying fake login forms.
- Unauthorized administrative actions executed in the admin context.
How does this vulnerability affect compliance with common standards and regulations (like GDPR, HIPAA)?:
I don't know
How can this vulnerability be detected on my network or system? Can you suggest some commands?
[{'type': 'paragraph', 'content': 'This vulnerability can be detected by attempting to submit a malicious payload in the articleTitle parameter at the POST /console/article/ endpoint of the bolo-solo platform. For example, sending a crafted HTTP POST request with a payload such as `<img src=1 onerror=alert(1)>` in the articleTitle field can reveal if the system is vulnerable.'}, {'type': 'paragraph', 'content': 'A proof-of-concept HTTP request example is as follows:'}, {'type': 'list_item', 'content': 'POST /console/article/ HTTP/1.1'}, {'type': 'list_item', 'content': 'Host: localhost:8080'}, {'type': 'list_item', 'content': 'Cookie: solo=[your_session_cookie]'}, {'type': 'list_item', 'content': 'Content-Type: application/x-www-form-urlencoded; charset=UTF-8'}, {'type': 'list_item', 'content': '{"article":{"articleTitle":"<img src=1 onerror=alert(1)>","articleContent":"<img src=1 onerror=alert(1)>\\n\\n\\n","articleAbstract":"<img src=1 onerror=alert(1)>\\n\\n\\n","articleTags":"","articlePermalink":"","articleStatus":0,"articleSignId":"1","postToCommunity":false,"articleCommentable":true,"articleViewPwd":"","category":""}}'}, {'type': 'paragraph', 'content': 'If the payload executes when viewing the article, it confirms the presence of the stored XSS vulnerability.'}] [1]
What immediate steps should I take to mitigate this vulnerability?
[{'type': 'paragraph', 'content': 'Immediate mitigation steps include sanitizing the articleTitle parameter to prevent malicious scripts from being stored and executed.'}, {'type': 'list_item', 'content': 'Apply HTML escaping functions such as StringEscapeUtils.escapeHtml4(articleTitle) to sanitize input.'}, {'type': 'list_item', 'content': "Implement security headers like Content-Security-Policy with directives such as default-src 'self'; script-src 'self' to restrict script execution."}, {'type': 'list_item', 'content': 'Enable X-XSS-Protection header with value 1; mode=block to help block reflected XSS attacks.'}, {'type': 'paragraph', 'content': 'These steps help prevent the execution of malicious scripts embedded in article titles and reduce the risk of session hijacking, credential theft, and unauthorized administrative actions.'}] [1]