Vulnerability · Published Aug 27, 2026 · Assigned by vmware
CVE-2026-47877Spring Security Authorization Server Default Consent Page is vulnerable to Cross-Site Scripting (XSS)
High 8.2
In plain English
A high-severity cross-site scripting in Spring Security from Spring. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 20% of all known vulnerabilities).
Severity (CVSS 3.1)8.2High
Exploit odds (30 days)0.3%top 79.7% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
Spring Security Authorization Server's default consent page renders user-controlled values without HTML entity encoding. Spring Security 7.1.0 Spring Security 7.0.0 - 7.0.6
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Spring | Spring Security | 7.1.07.0.0 – through 7.0.6 |
Weakness: CWE-79 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:L/A:N