CVE-2025-13871
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 · uneditedCross-Site Request Forgery (CSRF) in the resource-management feature of ObjectPlanet Opinio 7.26 rev12562 allows to upload files on behalf of the connected users and then access such files without authentication.
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 · high confidenceCross-Site Request Forgery (CSRF) vulnerability in the resource-management feature of ObjectPlanet Opinio 7.26 allows remote attackers to upload files on behalf of authenticated users and subsequently access those uploaded files without any authentication, effectively bypassing access controls.
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= 7.26CVSS 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
- Unchanged
- Confidentiality
- High
- Integrity
- High
- Availability
- High
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
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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Confirm ObjectPlanet Opinio versionLocate the installed Opinio application and check its version identifier. Common locations include the administration panel, about page, or version file in the application root directory.Affected if The installed version is exactly 7.26
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Identify resource-management endpoint accessibilityLocate the resource-management interface in Opinio. This is typically found under admin functions related to file or resource management. Determine if this feature is enabled and accessible to authenticated users.Affected if Resource-management feature is accessible to authenticated users without additional security controls
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Inspect resource upload forms for anti-CSRF protectionAccess the resource upload form within the resource-management feature. View the page source or intercept the HTTP request to examine whether a CSRF token, synchronizer token, or similar anti-CSRF mechanism is present in the form.Affected if No CSRF token or anti-CSRF token field is present in the resource upload form
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Verify file access authentication requirementsAttempt to access a file that was uploaded through the resource-management feature using an unauthenticated browser session or curl request to the file URL.Affected if Uploaded files can be accessed without any authentication validation
You are affected if you are running Opinio version 7.26, the resource-management feature is enabled, and either the upload forms lack CSRF tokens or uploaded files are accessible without authentication.
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.
From vendor dataImplement anti-CSRF tokens for all state-changing operations including file uploads, and enforce proper authentication and authorization checks on file access endpoints to ensure uploaded files cannot be retrieved without valid session credentials.
- Consultation4.0 h
- Implementation12.0 h
- Testing8.0 h
- Review / QA4.0 h
An estimate, not a bill — we confirm scope with you before any work starts. Need it this week? Rush from $7,808.
Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2025-13871 — 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-2025-13871 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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- 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
- No spam, self-promotion, credentials, or personal data