An issue was discovered in ThoughtWorks GoCD before 21.3.0. An attacker in control of a GoCD Agent can plant malicious JavaScript into a failed Job Report.
Conclusion & alert: CVE-2021-43288 is rated Exploit Available (59.5/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 0.50%). Core evidence: 1 public exploit reference(s) are indexed (Exploit-DB). Mandatory action: Public exploits are available—assess exposure, apply mitigations, and prioritize patching.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
| EDB-ID | Source | Kind | Published | Link |
|---|---|---|---|---|
| — | nvd_ref | exploit_tag | Exploit-DB ↗ |
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2026-04-25 | 0.84% | 0.50% | -0.33% |
| 2 | 2026-04-06 | 1.23% | 0.84% | -0.39% |
| 3 | 2026-03-04 | — | 1.23% | — |
Full EPSS history (42 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 5.4 | 3.1 | MEDIUM |
|
2.3 | 2.7 | [email protected] |
| 3.5 | 2.0 | LOW |
|
6.8 | 2.9 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| thoughtworks | gocd | < 21.3.0 | cpe:2.3:a:thoughtworks:gocd:*:*:*:*:*:*:*:* |
| URL | Tags |
|---|---|
| https://blog.sonarsource.com/gocd-vulnerability-chain | Exploit Patch Third Party Advisory |
| https://github.com/gocd/gocd/commit/f5c1d2aa9ab302a97898a6e4b16218e64fe8e9e4 | Patch Third Party Advisory |
| https://www.gocd.org/releases/#21-3-0 | Issue Tracking Release Notes Vendor Advisory |