VblogApplication · Lenve

CVE-2025-2364

MEDIUM · 5.4 CVSS v3.1 Published 2025-03-17
Mitigation only
No fix yet — a mitigation exists. There is no fixed release. A documented workaround reduces exposure in the meantime.
See remediation →
58/100
Remediation priority · Elevated
Remotely reachable

Official description Straight from the sourceThe vendor's or NVD's own wording, published unedited. Authoritative, but often terse — it says what broke, rarely what to do.

NVD · unedited
A vulnerability classified as problematic was found in lenve VBlog up to 1.0.0. Affected by this vulnerability is the function addNewArticle of the file blogserver/src/main/java/org/sang/service/ArticleService.java. The manipulation of the argument mdContent/htmlContent leads to cross site scripting. The attack can be launched remotely. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

Technical summary Written by usOur analysis, written from the advisory, the CVSS vector and the affected-version data. It adds context the advisory leaves out, and never invents facts that are not in the source.

dbcve analysis · moderate confidence

A stored Cross-Site Scripting (XSS) vulnerability exists in the addNewArticle function of VBlog's ArticleService.java. The application fails to properly sanitize the mdContent and htmlContent parameters before storing and rendering them, allowing remote attackers to inject malicious JavaScript that executes in other users' browsers when viewing articles.

MitigationImplement output encoding and input sanitization for the mdContent/htmlContent parameters using a well-vetted HTML sanitization library (such as OWASP Java HTML Sanitizer) before storing and rendering content. Validate and escape all user-supplied content at display time.

Verify against the referenced sources before acting — the references below are authoritative for this CVE, this summary is not.

Affected products & versions What the vendor confirmedThe version ranges the vendor confirmed as vulnerable. If your version sits inside a range here, treat yourself as exposed until you have upgraded.

NVD · CPE data
VblogApplication
Affected:all versions

CVSS breakdown How the score is builtThe industry scoring standard. It rates how the flaw is reached, what it takes to exploit, and what an attacker gains — the score is derived from those, not the other way round.

From the vector
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
Required
Scope
Changed
Confidentiality
Low
Integrity
Low
Availability
None

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

Am I affected? How to checkSteps we derive from the advisory and the affected-version data, so you can decide whether this CVE reaches your setup. They are a guide, not a scan — your own configuration is the authority.

dbcve checks

Work through these to decide whether this CVE applies to you.

  1. Confirm VBlog installation exists
    Check for running VBlog application or search for VBlog-related files, WAR, JAR, or deployment directories on the system
    Affected if VBlog (Lenve Vblog) is deployed and running in the environment
  2. Identify VBlog version
    Check the application metadata (pom.xml, MANIFEST.MF, version info in the application banner, or admin panel) to determine the installed version
    Affected if The installed version cannot be determined or is any version of Lenve Vblog (all versions are affected)
  3. Verify article creation feature is enabled
    Check if the article publishing functionality (addNewArticle function) is accessible to users, typically via the web interface at an endpoint like /article/add or similar, or by inspecting the application's routing configuration
    Affected if The addNewArticle endpoint/function is exposed and accessible to users or unauthenticated attackers
  4. Inspect stored article content
    Query the application's database or examine stored article records for the mdContent and htmlContent fields to see if raw user input is being stored without sanitization
    Affected if Articles contain unsanitized content in mdContent or htmlContent fields that include raw HTML, markdown, or script tags

If VBlog is installed and the article creation feature is accessible, the environment is affected because all versions of Lenve Vblog fail to sanitize mdContent and htmlContent parameters, allowing stored XSS.

Generated from the published advisory. Verify against your own configuration.

Check your environment

Paste your version and any relevant configuration and it will be compared against the affected criteria above. Do not include secrets or credentials.

AI-assisted, checked against the advisory. Informational, not a guarantee.

Remediation Closing itWhat it takes to close this. Where a vendor fix exists we point at it; where none exists we say so plainly, and can build one. Effort estimates are scoped from the advisory, not from your codebase.

From vendor data
Mitigation available No clean upgrade yet — mitigate in the meantime
Mitigation

Implement output encoding and input sanitization for the mdContent/htmlContent parameters using a well-vetted HTML sanitization library (such as OWASP Java HTML Sanitizer) before storing and rendering content. Validate and escape all user-supplied content at display time.

Fix this in Vblog Scoped from the published advisory
  • Consultation3.0 h
  • Implementation6.0 h
  • Testing3.0 h
  • Review / QA2.0 h
14.0 hours of engineering $2,490
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References Go to the primary sourcePrimary sources — vendor advisories, patches and trackers. Where our summary and a reference disagree, the reference wins.

Primary sources

Practitioner notes

Contributed

Peer-ranked notes from engineers who’ve handled CVE-2025-2364 in production — separate from our analysis above.

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What this is

A place for practitioners to share what actually worked: a mitigation you’ve tested, a configuration change, a version- or environment-specific caveat, or a link to a verified patch. The most useful notes rise to the top as peers upvote them, so the signal stays high.

What belongs here
  • Verified mitigations, workarounds, and config changes
  • Version or environment caveats, and links to real fixes
  • No weaponised exploit code, or anything meant to cause harm
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