VulnerabilityModified
CVE-2021-26924
Browser XSS protection is not activated due to the missing XSS protection header.
MEDIUM 6.1EPSS 0.79%
Does this matter?
Lower severity and a low EPSS score (0.79%). Track it; it rarely justifies an emergency change on its own.
Description
An issue was discovered in Argo CD before 1.8.4. Browser XSS protection is not activated due to the missing XSS protection header.
- CVSS 3.1
- 6.1 MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
- EPSS
- 0.79% probability · 56th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-79
- Affected
- argoproj/argo cd
- Source
- cve@mitre.org
EPSS 0.8% since 26 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- https://github.com/argoproj/argo-cd/compare/v1.8.3...v1.8.4Patch, Third Party Advisory
- https://github.com/argoproj/argo-cd/security/advisories/GHSA-pg99-h5gc-446rThird Party Advisory
- https://github.com/argoproj/argo-cd/compare/v1.8.3...v1.8.4Patch, Third Party Advisory
- https://github.com/argoproj/argo-cd/security/advisories/GHSA-pg99-h5gc-446rThird Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.