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VulnerabilityPublished

CVE-2025-36138: IBM QRadar SIEM · XSS or 'Cross-site Scripting'

Affects IBM QRadar SIEMSource CVE Database V5

0

Not known to be exploited · CVSS 6.4 Medium.

Data as of 26 Oct 2026, 15:59 UTC

CVSS 3.1 base score
6.4Medium
How severe the flaw is on the 0–10 CVSS scale.
EPSS
0.1% chance of exploitation in 30 days – higher than 7% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 27 Oct 2025

  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
IBM QRadar SIEMAffected
  • =7.5.0
Fixed in–

AI-suggested

  1. Restrict QRadar web UI access to trusted and minimal user groups, enforcing the principle of least privilege to limit who can inject malicious scripts.
  2. Implement strict input validation and sanitization on all user inputs within the QRadar interface, if possible via configuration or custom rules.
  3. Monitor web UI logs and user activity for unusual behavior indicative of XSS exploitation attempts.
  4. Employ web application firewalls (WAFs) with rules designed to detect and block XSS payloads targeting QRadar interfaces.
  5. Isolate QRadar management interfaces from general network access, using VPNs or jump hosts to reduce exposure.
  6. Stay updated with IBM security advisories and apply patches or fixes as soon as they become available.
  7. Educate users with access to QRadar about the risks of XSS and encourage reporting of suspicious UI behavior.
  8. Consider deploying Content Security Policy (CSP) headers if configurable to reduce the impact of injected scripts.

Description

IBM QRadar SIEM 7.5 through 7.5.0 Update Pack 13 Independent Fix 02 is vulnerable to stored cross-site scripting. This vulnerability allows an authenticated user 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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