CVE-2020-5497
XSS in MITREid Connect
The OpenID Connect reference implementation for MITREid Connect through 1.3.3 allows XSS due to userInfoJson being included in the page unsanitized. This is related to header.tag. The issue can be exploited to execute arbitrary JavaScript.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- Required
What an attacker can affect
- Confidentiality
- Low
- Integrity
- Low
- Availability
- None
Exploit likelihood
What each source reports
NVD Score used
The OpenID Connect reference implementation for MITREid Connect through 1.3.3 allows XSS due to userInfoJson being included in the page unsanitized. This is related to header.tag. The issue can be exploited to execute arbitrary JavaScript.
- Record
CVE-2020-5497- CVSS 3.1
- 6.1 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N - CVSS 2.0
- 4.3 Medium
AV:N/AC:M/Au:N/C:N/I:P/A:N - Weakness
- CWE-79
- Updated
- 2026-11-02
CVE List No score
The OpenID Connect reference implementation for MITREid Connect through 1.3.3 allows XSS due to userInfoJson being included in the page unsanitized. This is related to header.tag. The issue can be exploited to execute arbitrary JavaScript.
- Record
CVE-2020-5497- Updated
- 2026-11-02
EUVDEUVD-2020-0378 No score
The OpenID Connect reference implementation for MITREid Connect through 1.3.3 allows XSS due to userInfoJson being included in the page unsanitized. This is related to header.tag. The issue can be exploited to execute arbitrary JavaScript.
- Record
EUVD-2020-0378- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-c2h6-7gm8-cv4w
XSS in MITREid Connect
The OpenID Connect reference implementation for MITREid Connect through 1.3.3 allows XSS due to userInfoJson being included in the page unsanitized. This is related to header.tag. The issue can be exploited to execute arbitrary JavaScript.
- Record
GHSA-c2h6-7gm8-cv4w- CVSS 3.1
- 6.1 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N - Weakness
- CWE-79
- Updated
- 2026-11-02
OSV
The OpenID Connect reference implementation for MITREid Connect through 1.3.3 allows XSS due to userInfoJson being included in the page unsanitized. This is related to header.tag. The issue can be exploited to execute arbitrary JavaScript.
- Record
CVE-2020-5497- CVSS 3.1
- 6.1 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N - Updated
- 2026-11-02
OSVGHSA-c2h6-7gm8-cv4w
XSS in MITREid Connect
The OpenID Connect reference implementation for MITREid Connect through 1.3.3 allows XSS due to userInfoJson being included in the page unsanitized. This is related to header.tag. The issue can be exploited to execute arbitrary JavaScript.
- Record
GHSA-c2h6-7gm8-cv4w- CVSS 3.1
- 6.1 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N - Weakness
- CWE-79
- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
org.mitre:openid-connect-serverMaven |
through 1.3.3 | None known |
org.mitre:openid-connect-serverMaven |
through 1.3.3, plus listed versions 0.9.00.9.10.9.20.9.31.0.0 Show 45 moreShow less1.0.11.0.101.0.111.0.121.0.131.0.141.0.151.0.161.0.171.0.181.0.191.0.21.0.201.0.211.0.221.0.31.0.41.0.51.0.61.0.71.0.81.0.91.1.01.1.11.1.101.1.111.1.121.1.131.1.141.1.151.1.161.1.171.1.181.1.191.1.21.1.31.1.41.1.51.1.61.1.71.1.81.1.91.2.01.2.0-RC11.2.0-RC2 |
None known |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2020-5497 is a medium vulnerability (CVSS 6.1) in Mitreid Connect, published January 4, 2020. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 2.13%, the 82nd percentile. No source names a fixed version.
References
github.com/mitreid-connect/OpenID-Connect-Java-Spring-Server/issues/1521
securitymetrics.com/blog/MITREid-Connect-cross-site-scripting-CVE-2020-5497
seclists.org/fulldisclosure/2020/Feb/25
packetstormsecurity.com/files/156574/MITREid-1.3.3-Cross-Site-Scripting.html
nvd.nist.gov/vuln/detail/CVE-2020-5497
Left out here: 11 versions. The JSON record has them.