Severity by source
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Network-delivered reflected XSS requiring victim click (UI:R), scope changes to victim browser (S:C), with low confidentiality and integrity impact; no auth needed.
Primary rating from Vendor (VulDB).
CVSS VectorVendor: VulDB
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Lifecycle Timeline
3DescriptionCVE.org
A vulnerability was found in stephen-kruger bluebox up to 4.5.12. Affected by this vulnerability is an unknown functionality. Performing a manipulation of the argument code results in cross site scripting. It is possible to initiate the attack remotely. The exploit has been made public and could be used. The project was informed of the problem early through an issue report.
AnalysisAI
Cross-site scripting in stephen-kruger bluebox up to version 4.5.12 allows remote attackers to inject and execute arbitrary JavaScript in victims' browsers by manipulating the 'code' argument in an unspecified function. The attack requires user interaction (CVSS 4.0 UI:P), meaning a victim must be induced to click a crafted link or visit a malicious page. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | The attack requires that the victim be induced to visit or interact with a specially crafted URL or page containing the malicious 'code' parameter - passive user interaction (UI:P in CVSS 4.0) is a hard prerequisite. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The real-world risk is low despite the public exploit. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in. |
| Exploit Scenario | An attacker crafts a URL targeting bluebox that includes a malicious JavaScript payload in the 'code' parameter, then sends this link to a target user via phishing email or embedded in a web page. When the victim clicks the link and their browser renders the unescaped response from the server, the attacker's script executes in the victim's browser session, potentially stealing session cookies or performing actions on behalf of the victim. … |
| Remediation | No vendor-released patch identified at time of analysis. … Detailed patch versions, workarounds, and compensating controls in full report. |
Threat intelligence, references, and detailed analysis are available after sign-in.
Same weakness CWE-79 – Cross-site Scripting (XSS)
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External POC / Exploit Code
Leaving vuln.today
EUVD-2026-41725
GHSA-vrf9-hq99-x9wm