An incorrect implementation of "XEP-0280: Message Carbons" in multiple XMPP clients…
Priority LOW 29CWE-20Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- High
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- None · High · None
- Fix status
- No fix listed
Attack profile from CVSS 3.0 · NVD. Fix status from CNA. Impact type from CWE-346.
Summary
An incorrect implementation of "XEP-0280: Message Carbons" in multiple XMPP clients allows a remote attacker to impersonate any user, including contacts, in the vulnerable application's display. This allows for various kinds of social engineering attacks. This CVE is for mcabber 1.0.0 - 1.0.4.
Why it matters now
EPSS 0.0133 71st percentileScored 2026-11-07
Public exploit Yes 3 exploit referencesTagged by NVD
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 5
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:mcabber:mcabber:1.0.0:*:*:*:*:*:*:* | 1.0.0 | Vulnerable | MCabber |
| cpe:2.3:a:mcabber:mcabber:1.0.1:*:*:*:*:*:*:* | 1.0.1 | Vulnerable | MCabber |
| cpe:2.3:a:mcabber:mcabber:1.0.2:*:*:*:*:*:*:* | 1.0.2 | Vulnerable | MCabber |
| cpe:2.3:a:mcabber:mcabber:1.0.3:*:*:*:*:*:*:* | 1.0.3 | Vulnerable | MCabber |
| cpe:2.3:a:mcabber:mcabber:1.0.4:*:*:*:*:*:*:* | 1.0.4 | Vulnerable | MCabber |
- cpe:2.3:a:mcabber:mcabber:1.0.0:*:*:*:*:*:*:* Versions 1.0.0 Vulnerable ·MCabber
- cpe:2.3:a:mcabber:mcabber:1.0.1:*:*:*:*:*:*:* Versions 1.0.1 Vulnerable ·MCabber
- cpe:2.3:a:mcabber:mcabber:1.0.2:*:*:*:*:*:*:* Versions 1.0.2 Vulnerable ·MCabber
- cpe:2.3:a:mcabber:mcabber:1.0.3:*:*:*:*:*:*:* Versions 1.0.3 Vulnerable ·MCabber
- cpe:2.3:a:mcabber:mcabber:1.0.4:*:*:*:*:*:*:* Versions 1.0.4 Vulnerable ·MCabber
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2017-5604
- 2026-10-03 Alias added: GHSA-wxww-rqxx-jpg4
References
More Mcabber vulnerabilities
- TI-2016-08044 Improper privilege management in MCabber CVSS 3.1HIGH 7.4
Sources
- CVE-2017-5604 · CVE Program
- CVE-2017-5604 · NVD
- FIRST EPSS
- GHSA-wxww-rqxx-jpg4 · GitHub Advisory Database · CC BY 4.0
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