CVE-2025-58920
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 · uneditedImproper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Zootemplate Cerato cerato allows Reflected XSS.This issue affects Cerato: from n/a through <= 2.2.18.
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 confidenceReflected XSS vulnerability in Zootemplate Cerato theme allows attackers to inject malicious scripts via unsanitized user input that gets reflected back in web pages. The lack of proper input validation and output encoding enables execution of attacker-controlled JavaScript in victim browsers.
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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Identify Cerato theme installationCheck for the presence of the 'cerato' theme folder in your web application's themes or template directory. Look for files named 'cerato' or directories containing 'cerato' in the path.Affected if The Cerato theme by Zootemplate is present in the application
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Locate user input reflection pointsReview the theme's PHP template files for code that directly outputs $_GET, $_POST, or $_REQUEST parameters without sanitization. Search for patterns like 'echo $_GET', 'echo $_POST', or unsanitized variable output.Affected if User-supplied parameters are directly echoed or reflected in HTML output without encoding
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Inspect input handling codeExamine the theme's header, footer, and component template files for lack of htmlspecialchars(), htmlentities(), or similar output encoding functions around user input variables.Affected if Output encoding functions are not applied to user input before rendering in HTML
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Test for reflected XSS parametersCraft test payloads with harmless XSS probes (like '<script>alert(1)</script>' or '"><img src=x onerror=alert(1)>') and submit them via URL parameters used by the theme. Observe if the payload is returned verbatim in the response.Affected if Test payloads are reflected in the response without being escaped or removed
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Check for input validation functionsReview the theme's code for presence of sanitization functions such as sanitize_text_field, esc_html, filter_input, or custom validation routines applied to user inputs before storage or display.Affected if No input validation or sanitization is implemented for user-supplied data
If the Cerato theme is installed and user input is reflected in web pages without proper output encoding or input validation, the environment is affected by this reflected XSS vulnerability.
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 dataApply contextual output encoding and implement input validation/sanitization for all user-supplied data before rendering in HTML. Upgrade to a patched version if available from vendor.
- Consultation2.0 h
- Implementation2.0 h
- Testing2.0 h
- Review / QA1.0 h
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Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2025-58920 — 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-2025-58920 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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- Version or environment caveats, and links to real fixes
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