Security readout for executives and security teams
Plain-English summary
CVE-2025-52204 is a medium-severity cross-site scripting issue in Znuny::ITSM 6.5.x. A victim must interact with crafted content affecting the customer.pl endpoint. Successful exploitation could let attacker-controlled script run in the user’s browser, potentially exposing session-related data or changing viewed content.
Executive priority
Treat as a near-term web application remediation item, not an emergency absent exploitation evidence. Prioritize externally exposed customer portals because XSS can affect users and trust.
Technical view
The CVE describes CWE-79 XSS in Znuny::ITSM 6.5.x customer.pl via the OTRSCustomerInterface parameter. CVSS 3.1 is 6.1: network reachable, low complexity, no privileges required, user interaction required, changed scope, low confidentiality and integrity impact, no availability impact.
Likely exposure
Organizations running Znuny::ITSM 6.5.x with the customer.pl customer interface reachable, especially from the internet, are most exposed. The CVE record does not provide complete affected CPE data.
Exploitation context
No CISA KEV listing is indicated, and the provided sources do not establish active exploitation. The referenced GitHub page may contain public vulnerability details, but this assessment does not rely on exploit instructions.
Researcher notes
Evidence is limited: the CVE names Znuny::ITSM 6.5.x and the vulnerable parameter, but the structured affected-product data is incomplete. Do not assume unaffected status for adjacent versions without vendor confirmation.
Mitigation direction
- Check Znuny vendor guidance and release notes for the recommended fixed version.
- Prioritize updating Znuny::ITSM 6.5.x deployments if vendor guidance confirms exposure.
- Restrict access to customer.pl where business requirements allow.
- Use browser-side and web security controls that reduce XSS impact.
- Monitor vendor advisories for clarification on affected and fixed versions.
Validation and detection
- Inventory Znuny::ITSM deployments and identify any 6.5.x installations.
- Confirm whether customer.pl is enabled and externally reachable.
- Review vendor release notes for CVE-2025-52204 remediation guidance.
- Check application logs for unusual customer.pl requests.
- Verify remediation by confirming the vendor-recommended version or configuration is applied.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CWE-79: User-session and phishing behavior lookup
Client-side and session-facing weaknesses should be reviewed alongside initial-access and user-execution behaviors. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Open ATT&CK lookupCVE-2025-52204 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- Medium
- CVSS
- 6.1 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
SSVC decision data
CVSS vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N2.82.7CISA-ADPVulnerability scoring details
Base CVSS 3.1 score
6.1MediumVector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Vulnerability timeline
Timeline events are normalized from CVE metadata, CNA source timelines, ADP timelines, and KEV metadata when present.
- CVE reservedCVE Program
The CVE ID was reserved by the assigning CNA.
- CVE publishedCVE Program
The CVE record was published.
- CVE updatedCVE Program
The CVE record metadata indicates this as the latest update time.
ADP provider summaries
Source materials
- CVE List V5 sourceCVE List V5
- https://github.com/j0qq3r/CVE-2025-52204CVE reference, mitre
- https://www.znuny.org/en/releases/znuny-7-3-1CVE reference, mitre
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.