GHSA-g9cp-9fw3-56cf · Severity: medium · Ecosystem: composer — Cross-site Scripting in Backdrop CMS
Backdrop CMS version 1.23.0 was discovered to contain a stored cross-site scripting (XSS) vulnerability via 'Comment.' .
Conclusion & alert: CVE-2022-42097 is rated High Exploit Risk (61.1/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 0.89%). Core evidence: 2 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 ↗ | |
| — | 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 | 2026-06-07 | 0.62% | 0.89% | +0.27% |
| 2 | 2025-11-24 | 0.89% | 0.62% | -0.27% |
| 3 | 2025-11-23 | — | 0.89% | — |
Full EPSS history (15 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 4.8 | 3.1 | MEDIUM |
|
1.7 | 2.7 | [email protected] |
| 4.8 | 3.1 | MEDIUM |
|
1.7 | 2.7 | 134c704f-9b21-4f2e-91b3-4a467353bcc0 |
GHSA-g9cp-9fw3-56cf · Severity: medium · Ecosystem: composer — Cross-site Scripting in Backdrop CMS
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| backdropcms | backdrop | 1.23.0 | cpe:2.3:a:backdropcms:backdrop:1.23.0:*:*:*:*:*:*:* |
| URL | Tags |
|---|---|
| https://backdropcms.org | Product Vendor Advisory |
| https://github.com/backdrop/backdrop/releases/tag/1.23.0 | Release Notes Third Party Advisory |
| https://github.com/bypazs/CVE-2022-42097 | Exploit Third Party Advisory |
| https://grimthereaperteam.medium.com/cve-2022-42097-backdrop-xss-at-comments-2ea536ec55e1 | Exploit Third Party Advisory |