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Vulnerabilities

Vulnerability · CVE-2025-52204

A Cross-Site Scripting (XSS) vulnerability exists in Znuny::ITSM 6.5.x in the customer.pl endpoint via the OTRSCustomerInterface parameter

Published Mar 23, 2026 · catalog updated Jul 5, 2026 · A Cross-Site Scripting (XSS)

Check if you run it

No confirmed exploitation is on record for CVE-2025-52204. EPSS is 0.24%. Act only if a listed version of A Cross-Site Scripting (XSS) is installed.

Gaps on this record

  • The stored product name is a package slug. The name on this page is taken from the title (A Cross-Site Scripting (XSS)).
  • No version range is stored. A customer cannot check an installed version against this record.
  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
Severity
Medium6.1
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
0.24%
Remediation
Not established
Affected products
See sources for product scope

A Cross-Site Scripting (XSS) vulnerability exists in Znuny::ITSM 6.5.x in the customer.pl endpoint via the OTRSCustomerInterface parameter

No affected version ranges are stored yet. Use the vendor advisory before you decide this record does not apply.

How to fix CVE-2025-52204

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2025-52204. EPSS is 0.24%. Act only if a listed version of A Cross-Site Scripting (XSS) is installed.

Which versions are affected?

Affected version ranges are not on this record. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

CWE-79: Cross-site Scripting (XSS). EPSS 0.24%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

Timeline

Detection, updates, and resolution for this record.

  1. Mar 23, 2026 · NIST NVD

    Detected

    A Cross-Site Scripting (XSS) vulnerability exists in Znuny::ITSM 6.5.x in the customer.pl endpoint via the OTRSCustomerInterface parameter

  2. Jul 5, 2026 · NIST NVD

    Updated

    A Cross-Site Scripting (XSS) vulnerability exists in Znuny::ITSM 6.5.x in the customer.pl endpoint via the OTRSCustomerInterface parameter

Sources

  • CVE.orgVulnerability recordCVE-2025-52204

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2025-52204

    30-day exploitation probability 0.2%

    first.org
  • NIST NVDVulnerability recordCVE-2025-52204

    A Cross-Site Scripting (XSS) vulnerability exists in Znuny::ITSM 6.5.x in the customer.pl endpoint via the OTRSCustomerInterface parameter

    nvd.nist.gov

References

Freshness

Last verified in this catalog Oct 18, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.