Security readout for executives and security teams
Plain-English summary
CVE-2026-1048 is a cross-site scripting issue in LigeroSmart through 6.1.26. An authenticated attacker can manipulate the TicketID parameter in the ticket zoom page to run script in another user's browser if that user interacts with the crafted content. Public exploit information exists, but the provided sources do not show confirmed active exploitation.
Executive priority
Treat as a medium-priority remediation item unless LigeroSmart is internet-exposed or used by highly privileged support staff. Public exploit availability raises urgency, but exploitation requires authentication and user interaction, and no active exploitation is confirmed in the provided sources.
Technical view
The issue affects /otrs/index.pl?Action=AgentTicketZoom in LigeroSmart 6.1.0 through 6.1.26. The TicketID argument is insufficiently handled, leading to CWE-79 cross-site scripting. CVSS 4.0 score is 5.1 with network access, low complexity, low privileges required, and user interaction required. Vendor response or a fixed version is not identified in the provided sources.
Likely exposure
Exposure is most relevant where LigeroSmart agent interfaces are reachable by authenticated users. Risk increases if helpdesk access is broadly available, externally reachable, or used by privileged agents. Systems not running LigeroSmart 6.1.0 through 6.1.26 are not shown as affected by the provided sources.
Exploitation context
The sources state the attack can be initiated remotely and public exploit material is available. The CVSS vector requires low privileges and user interaction. CISA KEV status is false in the provided bundle, and no cited source confirms active exploitation in the wild.
Researcher notes
Evidence is centered on VulDB and a GitHub issue. The advisory says the project was notified but had not responded. No official patch, workaround, or maintainer confirmation is included in the provided sources. Validate in a safe test environment and avoid relying on public exploit content for production checks.
Mitigation direction
- Check LigeroSmart vendor guidance and issue tracker for an official fix or workaround.
- Restrict LigeroSmart access to trusted networks or VPN where operationally feasible.
- Limit agent privileges and review accounts with access to ticket views.
- Apply additional web-layer filtering only if validated against normal ticket workflows.
- Monitor for unusual ticket-view URLs or suspicious script-like input in TicketID.
Validation and detection
- Inventory LigeroSmart deployments and confirm running versions.
- Identify any systems on versions 6.1.0 through 6.1.26.
- Review access controls for the AgentTicketZoom interface.
- Check vendor issue 279 for maintainer response or fix status.
- Review logs for anomalous TicketID values without reproducing public exploit payloads.
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 lookupCWE-94: Code execution behavior lookup
Code execution and unsafe deserialization weaknesses often justify reviewing execution behavior and process telemetry. 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-2026-1048 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
- 5.1 (4.0)
- Known Exploited
- No
- Published
Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:P
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.
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:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:P——Primary CVE scoreVulnerability scoring details
Base CVSS 4.0 score
5.1MediumVector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:P
Source materials
- CVE List V5 sourceCVE List V5
- VDB-341600 | LigeroSmart index.pl cross site scriptingCVE reference · vdb-entry, technical-description
- VDB-341600 | CTI Indicators (IOB, IOC, TTP, IOA)CVE reference · signature, permissions-required
- Submit #729399 | LigeroSmart 6.1.26 Cross Site ScriptingCVE reference · third-party-advisory
- https://github.com/LigeroSmart/ligerosmart/issues/279CVE reference · issue-tracking, exploit
- https://github.com/LigeroSmart/ligerosmart/CVE reference · product
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.
