CVE-2024-53777
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 Alberto Reineri Simple Header and Footer simple-header-and-footer allows Stored XSS.This issue affects Simple Header and Footer: from n/a through <= 1.0.0.
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 confidenceCross-Site Request Forgery (CSRF) vulnerability in the Simple Header and Footer WordPress plugin allows remote attackers to trick authenticated administrators into executing unintended actions, leading to Stored XSS. The plugin fails to properly validate CSRF tokens on administrative actions, enabling attackers to inject malicious JavaScript into header/footer content that executes when other admins view the affected pages.
Verify against the referenced sources before acting — the references below are authoritative for this CVE, this summary is not.
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
- None
- User interaction
- Required
- Scope
- Changed
- Confidentiality
- Low
- Integrity
- Low
- Availability
- Low
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L
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 Simple Header and Footer plugin is installedNavigate to WordPress admin > Plugins and confirm the Simple Header and Footer plugin appears in the installed plugins listAffected if The plugin is installed and active
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Check the installed plugin versionIn WordPress admin > Plugins, find Simple Header and Footer and note the version number displayed; compare this to any publicly disclosed affected version range for this CVEAffected if The installed version falls within the vulnerable version range
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Confirm admin access to plugin settingsNavigate to Settings > Simple Header and Footer (or similar admin page provided by the plugin) and verify you can access the header/footer content input fieldsAffected if The admin interface is accessible without additional access controls blocking it
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Inspect plugin code for CSRF nonce validationExamine the plugin PHP files (typically in wp-content/plugins/simple-header-and-footer/) for admin action handlers; search for calls to check_admin_referer(), wp_verify_nonce(), or verify_nonce() before processing form submissionsAffected if No CSRF nonce validation is found before processing administrative actions
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Review header and footer content for suspicious scriptsIn the plugin settings page, inspect the Header Scripts, Footer Scripts, and Body Open fields for any unexpected or malicious JavaScript code that was not intentionally added by your organizationAffected if Unexpected or malicious JavaScript is present in these fields
A user is affected if the Simple Header and Footer plugin is installed, the installed version is within the vulnerable range, and the plugin lacks proper CSRF nonce validation on admin actions.
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 (nonces) on all plugin admin actions and apply proper input sanitization and output escaping to prevent XSS. Update to a patched version if available, or disable the plugin until remediation is complete.
- 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.
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Free · runs locallyCheck whether your project pulls in CVE-2024-53777 — 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-2024-53777 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