SirvWordPress extension
CVE-2024-27949
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 · uneditedServer-Side Request Forgery (SSRF) vulnerability in Sirv CDN and Image Hosting Sirv sirv.This issue affects Sirv: from n/a through <= 7.2.0.
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 confidenceServer-Side Request Forgery (SSRF) vulnerability in Sirv CDN and Image Hosting allows attackers to make the server perform arbitrary requests to internal or external resources. This can enable access to internal services, cloud metadata endpoints, or bypass network firewalls.
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
SirvWordPress extension
< 7.2.1CVSS 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
- None
- Scope
- Unchanged
- Confidentiality
- Low
- Integrity
- Low
- Availability
- None
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/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 Sirv installationLocate the Sirv installation directory or check the running service version. Common methods: check the admin panel version display, look for version info in the application's footer or /about page, or query the API endpoint that returns version information.Affected if Cannot determine version or version is missing from usual locations
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Determine installed Sirv versionCompare your installed or running Sirv version against the affected range. Look for version strings in configuration files, the application itself, or via CLI tools provided by Sirv.Affected if Installed version is < 7.2.1 or cannot be determined
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Verify CDN/Image Hosting is activeConfirm that the Sirv CDN or Image Hosting functionality is enabled and in use. Check if the server is configured to handle image requests or CDN features.Affected if CDN/Image Hosting feature is enabled and serving content
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Check URL request functionalityInspect Sirv configuration for URL-based request handling. Look for settings related to remote image fetching, URL preprocessing, or any feature that accepts and processes URLs from user input.Affected if URL request features are accessible or enabled
You are affected if your Sirv version is below 7.2.1 and the CDN/Image Hosting component that processes URLs is active on your server.
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 · scoped7.2.1
Implement strict URL allowlist validation and disable unnecessary URL protocols (like file://, gopher://). Restrict outgoing network access and validate all user-supplied URLs before making requests.
Sirv 7.2.1 or later
- 1. Identify the current Sirv version currently installed in your environment.
- 2. Upgrade Sirv to version 7.2.1 or later, following the vendor's standard upgrade procedure.
- 3. After upgrading, verify the new version is running (e.g., check Sirv version in admin panel or via CLI).
Generated from the published advisory — verify against the referenced sources before acting.
Fix this in Sirv
Scoped from the published advisory
- Consultation2.0 h
- Implementation4.0 h
- Testing3.0 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 $3,088.
Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2024-27949 — 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-2024-27949 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