GHSA-8x3j-439w-537c · Severity: critical · Ecosystem: composer — TYPO3 Remote Code Execution in extension "Content Element Selector" (ceselector)
The extension passes an attacker-controlled cookie directly to PHP's unserialize() without safely processing the input. A remote, unauthenticated attacker can supply a crafted serialized payload to trigger PHP Object Injection, leading to Remote Code Execution on the TYPO3 server. Exploitation requires the content element to be configured with "Persistent Mode: Static" in the plugin settings.
Conclusion & alert: CVE-2026-46725 is rated High Risk (65.9/100): CVSS Critical severity, with medium exploitation likelihood (EPSS 2.31%). Mandatory action: High exploitation likelihood—assess exposure and prioritize remediation.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
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 | 2026-06-23 | 1.56% | 2.31% | +0.74% |
| 2 | 2026-06-15 | 3.27% | 1.56% | -1.71% |
| 3 | 2026-05-26 | — | 3.27% | — |
Full EPSS history (5 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 9.2 | 4.0 | CRITICAL |
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— | — | f4fb688c-4412-4426-b4b8-421ecf27b14a |
GHSA-8x3j-439w-537c · Severity: critical · Ecosystem: composer — TYPO3 Remote Code Execution in extension "Content Element Selector" (ceselector)
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| No affected products in dataset. | |||