CVE-2025-45892
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 · uneditedOpenCart version 4.1.0.4 is vulnerable to a Stored Cross-Site Scripting (XSS) attack via the blog editor. The vulnerability arises because input in the blog's editor is not properly sanitized or escaped before being rendered. This allows attackers to inject malicious JavaScript code
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 confidenceOpenCart 4.1.0.4 contains a stored XSS vulnerability in its blog editor where user-supplied input is not properly sanitized or escaped before being rendered, allowing malicious JavaScript to be injected and executed in the context of other users' browsers.
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<= 4.1.0.4CVSS 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
- None
- User interaction
- Required
- Scope
- Changed
- Confidentiality
- Low
- Integrity
- Low
- Availability
- None
CVSS:3.1/AV:N/AC:L/PR:N/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 checksWork through these to decide whether this CVE applies to you.
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Identify OpenCart versionLocate the version file in your OpenCart installation (typically in system/library or admin/controller) or check the admin dashboard for the software versionAffected if The installed version is 4.1.0.4 or lower
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Confirm blog module is installedCheck if the blog functionality exists in your OpenCart installation by accessing the admin panel and looking for a Blog section in the menu, or checking for blog-related tables in the databaseAffected if The blog module is present and accessible in the admin panel
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Review existing blog content for suspicious scriptsExamine blog posts in the database or admin panel for any content containing script tags, javascript: URLs, or event handler attributes (onclick, onerror, etc.)Affected if Any blog entries contain unsanitized JavaScript or HTML that could execute in a user's browser
You are affected if you are running OpenCart version 4.1.0.4 or lower and have the blog module enabled, as the stored XSS vulnerability exists in the blog editor's input handling.
Generated from the published advisory. Verify against your own configuration.
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.
dbcve · scopedImplement proper input validation and output encoding/escaping on all blog editor input fields to neutralize malicious scripts before rendering.
OpenCart 4.1.0.5 or later (latest 4.1.x stable release)
- Check OpenCart's official download page (www.opencart.com) or release notes for the latest 4.1.x version beyond 4.1.0.4
- Download the latest stable OpenCart release
- Before upgrading, create a complete backup of your database and files
- Review the upgrade documentation specific to your current version
- Upload the new version files, ensuring the blog editor components are updated
- Test the blog functionality to confirm the XSS vulnerability is remediated
- Verify that the input sanitization is working properly in the admin panel blog editor
Generated from the published advisory — verify against the referenced sources before acting.
- Consultation2.0 h
- Implementation4.0 h
- Testing2.0 h
- Review / QA1.0 h
An estimate, not a bill — we confirm scope with you before any work starts. Need it this week? Rush from $2,560.
Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2025-45892 — or any other known-vulnerable package — straight from your lock files. Free and open source; it runs locally and uploads nothing.
References Go to the primary sourcePrimary sources — vendor advisories, patches and trackers. Where our summary and a reference disagree, the reference wins.
Primary sourcesPractitioner notes
ContributedPeer-ranked notes from engineers who’ve handled CVE-2025-45892 in production — separate from our analysis above.
The advisory tells you what broke. It rarely tells you what actually worked. If you’ve dealt with this one, that detail is what the next engineer is searching for.
- The version that genuinely resolved it — not the one the vendor claimed
- A config change or rule that shut the vector down
- A gotcha in the upgrade path that cost you an afternoon
No notes yet
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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.
- 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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