CVE-2026-4293: Kieback & Peter DDC4002 · Cross-site Scripting
Affects Kieback & Peter DDC4002Source CVE Database V5
Not known to be exploited · CVSS 5.3 Medium.
Data as of 30 Oct 2026, 11:52 UTC
- EPSS
- 0.2% chance of exploitation in 30 days – higher than 19% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:NExploitation evidence
Disclosed: evidence found.
CVE published 20 May 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponized: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 30 Oct 2026.
What to do
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| Kieback & PeterDDC4002 | Affected
| Fixed in– |
| Kieback & PeterDDC4100 | Affected
| Fixed in– |
| Kieback & PeterDDC4200 | Affected
| Fixed in– |
| Kieback & PeterDDC4200-L | Affected
| Fixed in– |
| Kieback & PeterDDC4400 | Affected
| Fixed in– |
| Kieback & PeterDDC4002e | Affected
| Fixed in– |
AI-suggested
Until an official fix is released, users should exercise caution when accessing the affected device's web interface and consider limiting access to trusted users only. Monitor vendor communications for updates on patches or mitigations.
Description
The affected Kieback & Peter DDC building controllers are vulnerable to cross-site scripting, enabling JavaScript to be executed by the victim's browser, which allows the attacker to control the browser.