CrispWordPress extension
CVE-2024-27963
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 Crisp allows Stored XSS.This issue affects Crisp: from n/a through 0.44.
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 confidenceStored Cross-site Scripting (XSS) vulnerability in Crisp allows attackers to inject malicious scripts into web pages that are then stored on the server and executed when other users view the affected content. The vulnerability stems from improper neutralization of user-supplied input during web page generation.
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
CrispWordPress extension
<= 0.44CVSS 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
- Required
- Scope
- Changed
- Confidentiality
- Low
- Integrity
- Low
- Availability
- None
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/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 Crisp installation versionLocate the version file or check the application header/admin panel for the installed Crisp version number. Common paths include version files in the installation directory or the /about page in the web interface.Affected if The installed version is 0.44 or any earlier version.
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Verify web interface accessibilityConfirm the Crisp web application is accessible and running. Check if the login or public-facing pages load normally.Affected if The application is running and accessible to users or attackers.
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Identify user input points in the applicationExamine the Crisp web interface for fields that accept user-generated content, such as chat messages, user profiles, or form inputs. Look for any publicly visible text areas.Affected if User input fields exist that accept and display content to other users.
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Inspect input handling in HTTP responsesUse browser developer tools or a web proxy to capture requests sent to Crisp. Submit test input containing special characters and examine how the application reflects this data in responses.Affected if User-supplied input is reflected in responses without visible encoding or sanitization indicators.
A user is affected if the installed Crisp version is 0.44 or lower and the application accepts and displays user-generated content that could be viewed by other users.
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 proper input validation and output encoding/escaping for all user-supplied data before rendering in web pages. Consider deploying Content Security Policy (CSP) headers as an additional defense layer.
Fix this in Crisp
Scoped from the published advisory
- Consultation2.0 h
- Implementation4.0 h
- Testing3.0 h
- Review / QA1.0 h
An estimate, not a bill — we confirm scope with you before any work starts. Need it this week? Rush from $2,800.
Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2024-27963 — 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-2024-27963 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
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