IdentityServer3 2.4.x, 2.5.x, and 2.6.x before 2.6.1 has XSS in an Angular expression on…
Priority LOW 29CWE-79Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Cross-site scripting
- Confidentiality · integrity · availability
- Low · Low · None
- Fix status
- No fix listed
Attack profile from CVSS 3.0 · NVD. Fix status from CNA. Impact type from CWE-79.
Summary
IdentityServer3 2.4.x, 2.5.x, and 2.6.x before 2.6.1 has XSS in an Angular expression on the authorize response page, which might allow remote attackers to obtain sensitive information about the IdentityServer authorization response.
Why it matters now
EPSS 0.01042 64th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 6
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:identityserver:identityserver3:2.4.0:*:*:*:*:*:*:* | 2.4.0 | Vulnerable | Identityserver |
| cpe:2.3:a:identityserver:identityserver3:2.5.0:*:*:*:*:*:*:* | 2.5.0 | Vulnerable | Identityserver |
| cpe:2.3:a:identityserver:identityserver3:2.5.1:*:*:*:*:*:*:* | 2.5.1 | Vulnerable | Identityserver |
| cpe:2.3:a:identityserver:identityserver3:2.5.2:*:*:*:*:*:*:* | 2.5.2 | Vulnerable | Identityserver |
| cpe:2.3:a:identityserver:identityserver3:2.5.3:*:*:*:*:*:*:* | 2.5.3 | Vulnerable | Identityserver |
| cpe:2.3:a:identityserver:identityserver3:2.6.0:*:*:*:*:*:*:* | 2.6.0 | Vulnerable | Identityserver |
- cpe:2.3:a:identityserver:identityserver3:2.4.0:*:*:*:*:*:*:* Versions 2.4.0 Vulnerable ·Identityserver
- cpe:2.3:a:identityserver:identityserver3:2.5.0:*:*:*:*:*:*:* Versions 2.5.0 Vulnerable ·Identityserver
- cpe:2.3:a:identityserver:identityserver3:2.5.1:*:*:*:*:*:*:* Versions 2.5.1 Vulnerable ·Identityserver
- cpe:2.3:a:identityserver:identityserver3:2.5.2:*:*:*:*:*:*:* Versions 2.5.2 Vulnerable ·Identityserver
- cpe:2.3:a:identityserver:identityserver3:2.5.3:*:*:*:*:*:*:* Versions 2.5.3 Vulnerable ·Identityserver
- cpe:2.3:a:identityserver:identityserver3:2.6.0:*:*:*:*:*:*:* Versions 2.6.0 Vulnerable ·Identityserver
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2017-12677
- 2026-10-03 Alias added: GHSA-gf3v-79w2-h666
References
Sources
- CVE-2017-12677 · CVE Program
- CVE-2017-12677 · NVD
- FIRST EPSS
- GHSA-gf3v-79w2-h666 · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences