Category Specific Rss Feed SubscriptionWordPress extension · Tipsandtricks Hq
CVE-2019-5993
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) vulnerability in Category Specific RSS feed Subscription version v2.0 and earlier allows remote attackers to hijack the authentication of administrators via unspecified vectors.
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 confidenceCross-site request forgery (CSRF) vulnerability in Category Specific RSS feed Subscription WordPress plugin v2.0 and earlier allows remote attackers to hijack administrator authentication by tricking authenticated admins into submitting malicious requests to the plugin's state-changing endpoints that lack proper anti-CSRF token validation.
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
Category Specific Rss Feed SubscriptionWordPress extension
<= 2.0CVSS 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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Verify plugin installation and versionCheck the installed plugin file header in wp-content/plugins/category-specific-rss-feed-subscription/ or via WordPress admin Plugins page to confirm the plugin version numberAffected if The installed version is 2.0 or lower (the plugin file header shows Version: 2.0 or below)
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Identify plugin state-changing endpointsExamine the main plugin PHP file for forms and AJAX action handlers that perform settings updates or subscription modifications (look for add_action calls with 'admin_post_', 'wp_ajax_', or form tag definitions)Affected if The plugin contains forms or AJAX handlers that modify settings or subscriptions
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Check for nonce token validation in form handlersReview the identified form processing code and AJAX handlers for presence of wp_nonce_field, wp_nonce_url, check_admin_referer, or wp_verify_nonce function calls before performing state changesAffected if State-changing endpoints lack proper nonce validation (no nonce check found before processing form data or handling AJAX requests)
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Inspect form markup for nonce field presenceView the HTML source of plugin admin pages containing forms to verify if hidden nonce fields are included in the form markupAffected if Plugin forms do not include hidden nonce fields (no <input type="hidden" name="_wpnonce" or similar found in forms)
You are affected if the Category Specific Rss Feed Subscription plugin version is 2.0 or lower AND the plugin's state-changing endpoints lack proper anti-CSRF token validation.
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 WordPress nonce tokens on all plugin forms and AJAX actions that perform state changes (settings updates, subscription modifications). Additionally, verify the request origin/referer header to ensure requests originate from expected sources.
Fix this in Category Specific Rss Feed Subscription
Scoped from the published advisory
- Consultation2.0 h
- Implementation8.0 h
- Testing4.0 h
- Review / QA2.0 h
An estimate, not a bill — we confirm scope with you before any work starts. Need it this week? Rush from $4,480.
Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2019-5993 — 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-2019-5993 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
- No spam, self-promotion, credentials, or personal data