ConnectApplication · Adobe

CVE-2025-43567

CRITICAL · 9.3 CVSS v3.1 Published 2025-05-13
Fix available
A fix is available. Upgrade to 12.9 or later.
See remediation →
100/100
Remediation priority · Urgent
Remotely reachable No privileges

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 · unedited
Adobe Connect versions 12.8 and earlier are affected by a reflected Cross-Site Scripting (XSS) vulnerability that could be abused by an attacker to inject malicious scripts into vulnerable form fields. Malicious JavaScript may be executed in a victim’s browser when they browse to the page containing the vulnerable field. A successful attacker can abuse this to achieve session takeover, increasing the confidentiality and integrity impact as high.

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 confidence

Adobe Connect versions 12.8 and earlier contain a reflected XSS vulnerability where malicious scripts can be injected into form fields. When victims browse to pages with the compromised field, the attacker's JavaScript executes in their browser, enabling session hijacking and potential privilege escalation.

MitigationApply the vendor-supplied security patch for Adobe Connect 12.8 or later; as an interim control, deploy WAF rules to filter malicious script payloads in affected form field parameters.

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
ConnectApplication
Affected:< 12.9

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
High
Integrity
High
Availability
None

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/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 checks

Work through these to decide whether this CVE applies to you.

  1. Identify Adobe Connect version
    Access the Adobe Connect admin dashboard or check the installation directory for version information. On Windows, this is often found in the installation folder or via the admin interface at /admin/
    Affected if The installed version is 12.8 or earlier (versions prior to 12.9)
  2. Confirm web interface is accessible
    Verify that the Adobe Connect web interface is reachable and form-based input fields are exposed to users
    Affected if The web interface is accessible and accepts user input in form fields without sanitization
  3. Review form field handling
    Inspect the application's response when submitting data through form input fields, particularly looking for reflected parameters in the response
    Affected if User-supplied input in form fields is reflected back in the HTML response without proper encoding
  4. Check for XSS indicators in logs
    Review Adobe Connect server logs and HTTP traffic for suspicious script payloads in form parameter values
    Affected if Logs contain unexpected script tags or JavaScript code in form submission parameters

You are affected if Adobe Connect version 12.8 or earlier is installed and the web interface with form fields is accessible to users.

Generated from the published advisory. Verify against your own configuration.

Check your environment

Paste your version and any relevant configuration and it will be compared against the affected criteria above. Do not include secrets or credentials.

AI-assisted, checked against the advisory. Informational, not a guarantee.

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 · scoped
Upgrade available Upgrade to 12.9 or later
Fixed in 12.9
Interim mitigation

Apply the vendor-supplied security patch for Adobe Connect 12.8 or later; as an interim control, deploy WAF rules to filter malicious script payloads in affected form field parameters.

Recommended fix High confidence

12.9 or later

  1. Upgrade Adobe Connect to version 12.9 or later
  2. After upgrading, verify the XSS vulnerability is remediated by testing the previously vulnerable form fields
  3. Consult Adobe Connect 12.9 release notes for any additional configuration requirements

Generated from the published advisory — verify against the referenced sources before acting.

Fix this in Connect Scoped from the published advisory
  • Consultation4.0 h
  • Implementation8.0 h
  • Testing6.0 h
  • Review / QA3.0 h
21.0 hours of engineering $3,680
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Scan for this in your stack

Free · runs locally
dbcve dependency scanner

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References Go to the primary sourcePrimary sources — vendor advisories, patches and trackers. Where our summary and a reference disagree, the reference wins.

Primary sources

Practitioner notes

Contributed

Peer-ranked notes from engineers who’ve handled CVE-2025-43567 in production — separate from our analysis above.

No notes yet

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What this is

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.

What belongs here
  • 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