CVE-2022-41349
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 · uneditedIn Zimbra Collaboration Suite (ZCS) 8.8.15, the URL at /h/compose accepts an attachUrl parameter that is vulnerable to Reflected XSS. This allows executing arbitrary JavaScript on the victim's machine.
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 · high confidenceZimbra Collaboration Suite 8.8.15 contains a reflected Cross-Site Scripting vulnerability in the /h/compose endpoint. The attachUrl parameter does not properly sanitize user-supplied input, allowing attackers to inject malicious JavaScript that executes in the victim's browser when the crafted URL is accessed.
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= 8.8.15CVSS 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
- None
CVSS:3.1/AV:N/AC:L/PR:N/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.
-
Identify installed Zimbra versionRun 'zmcontrol -v' as the zimbra user or check the /opt/zimbra/.git_description file to confirm the exact version numberAffected if Version is 8.8.15 exactly (the only affected version listed)
-
Verify Zimbra webmail is runningCheck if the Zimbra HTTP/HTTPS service is active by accessing the webmail URL (typically https://yourserver.com) or running 'zmcontrol status' to confirm the mailbox service is runningAffected if Webmail is accessible and the version is 8.8.15
-
Confirm /h/compose endpoint existsAccess the URL pattern 'https://yourserver.com/h/compose' in a browser or via curl to verify the compose endpoint is available and respondsAffected if The endpoint returns a valid page (HTTP 200) on a Zimbra 8.8.15 server
-
Test attachUrl parameter for XSS presenceSend a crafted request to /h/compose with a test payload in the attachUrl parameter, for example: '?attachUrl=<script>alert(1)</script>' and observe if the parameter value is reflected unescaped in the response HTMLAffected if The attachUrl parameter value is reflected directly in the HTML response without encoding or sanitization
A Zimbra 8.8.15 server with an accessible /h/compose endpoint where the attachUrl parameter reflects input unescaped in the response is vulnerable to this reflected XSS.
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 for the attachUrl parameter. The fix should sanitize special characters and ensure any user-controlled data is properly escaped before being rendered in HTML responses.
- Consultation2.0 h
- Implementation4.0 h
- Testing6.0 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 $3,808.
Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2022-41349 — 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-2022-41349 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
Be the first to add a field note for this CVE — a mitigation you’ve verified, a version caveat, or a link to a working fix. Sign in above to contribute.
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