Security readout for executives and security teams
Plain-English summary
CVE-2026-1008 is a stored cross-site scripting issue in Altium Live user profile fields. An authenticated user could save malicious content in a profile, which may run when another user views it. Business risk is mainly account compromise, phishing, or redirection within trusted Altium workflows.
Executive priority
Treat as high priority for Altium-dependent teams, especially where Altium accounts access sensitive design or collaboration data. Confirm vendor status and exposure promptly, but avoid assuming internet-wide exploitation without supporting evidence.
Technical view
The record describes insufficient server-side input sanitization in Altium 365/Altium Live profile text fields. Stored HTML or JavaScript can persist through whitespace-based attribute parsing bypasses and execute on profile view. CVSS is 7.6, with network access, low complexity, low privileges, required user interaction, and changed scope.
Likely exposure
Organizations using Altium 365 or Altium Live with user profile viewing may be exposed. Exploitation requires an authenticated account and another user viewing the crafted profile. The source bundle lists affected product data inconsistently, so validate directly against Altium’s advisory.
Exploitation context
No source provided indicates active exploitation, and the CVE is not marked in KEV. The attack is not unauthenticated, but it can become serious if a victim with valuable session access views the affected profile page.
Researcher notes
The available record describes stored XSS via profile fields and whitespace-based parsing bypasses, but does not provide patch details or affected version ranges beyond limited product metadata. The affected list includes version “0” and defaultStatus “unaffected,” so vendor confirmation is important.
Mitigation direction
- Check Altium’s security advisory page for official fix or service-side remediation status.
- Review whether your organization uses Altium 365 or Altium Live profile features.
- Limit unnecessary access to Altium accounts while vendor guidance is being confirmed.
- Educate users to report suspicious profile pages, redirects, or login prompts.
Validation and detection
- Confirm whether Altium 365 or Altium Live is in use.
- Review Altium’s advisory page for CVE-2026-1008 applicability.
- Identify users who can edit profile text fields.
- Look for unexpected HTML, scripts, or suspicious links in profile fields.
- Monitor for unusual Altium session activity or phishing reports.
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 lookupCredential and access behavior lookup
The CVE wording references authentication or credential exposure, so valid-account and credential-access review may help. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupCVE-2026-1008 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
- High
- CVSS
- 7.6 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/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.
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:L/UI:R/S:C/C:H/I:L/A:N2.34.7Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
7.6HighVector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:L/A:N
Source materials
- CVE List V5 sourceCVE List V5
- https://www.altium.com/platform/security-compliance/security-advisoriesCVE reference
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.
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.