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VulnerabilityPublished

CVE-2025-36019: IBM Concert · Cross-site Scripting

Affects IBM ConcertSource CVE Database V5

0

Not known to be exploited · CVSS 6.1 Medium.

Data as of 26 Oct 2026, 14:05 UTC

CVSS 3.1 base score
6.1Medium
How severe the flaw is on the 0–10 CVSS scale.
EPSS
0.1% chance of exploitation in 30 days – higher than 8% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 17 Feb 2026

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponised: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq 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 26 Oct 2026.

What to do

Affected software

ProductAffectedFixed in
IBMConcertAffected
  • >=1.0.0 <=2.1.0
Fixed in–

CPE configurations (2)

  • cpe:2.3:a:ibm:concert:1.0.0:*:*:*:*:*:*:*
  • cpe:2.3:a:ibm:concert:2.1.0:*:*:*:*:*:*:*

AI-suggested

Organizations should implement strict input validation and output encoding on all user-supplied data within IBM Concert's web interface to prevent script injection. Deploying a web application firewall (WAF) with rules tailored to detect and block XSS payloads can provide an additional layer of defense. Until an official patch is released by IBM, consider restricting access to the IBM Concert web UI to trusted networks and users only, using network segmentation and VPNs. Conduct user awareness training to educate users about the risks of clicking unknown links or interacting with suspicious content. Monitor web application logs for unusual activity indicative of attempted XSS exploitation. If possible, disable or limit features that accept user input in the affected versions. Engage with IBM support for updates on patch availability and apply them promptly once released. Regularly review and update security policies to incorporate protections against web-based attacks.

Description

IBM Concert 1.0.0 through 2.1.0 for Z hub framework is vulnerable to cross-site scripting. This vulnerability allows an unauthenticated attacker to embed arbitrary JavaScript code in the Web UI thus altering the intended functionality potentially leading to credentials disclosure within a trusted session.

References

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