CVE-2007-2383

The Prototype (prototypejs) framework before 1.5.1 RC3 exchanges data using JavaScript Object Notation (JSON) without an associated protection scheme, which allows remote attackers to obtain the data via a web page that retrieves the data through a URL in the SRC attribute of a SCRIPT element and captures the data using other JavaScript code, aka "JavaScript Hijacking."

Published: 2007-04-30 Last update: 2026-04-23 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2007-2383 is rated Low Risk (37/100): CVSS Medium severity, with low exploitation likelihood (EPSS 0.26%). Monitor for updates and reassess as exploit intelligence or EPSS changes.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2007-2383

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 2026-03-02 0.50% 0.26% -0.23%
2 2025-10-17 0.34% 0.50% +0.15%
3 2025-09-26 — 0.34% —

Full EPSS history (13 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2007-2383

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
5.0 2.0 MEDIUM
AV:N/AC:L/Au:N/C:P/I:N/A:N Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:P)
Partial confidentiality impact.
Integrity impact (I:N)
No integrity impact.
Availability impact (A:N)
No availability impact.
 10.0 2.9 [email protected]

Weakness enumeration for CVE-2007-2383

OS Trackers for CVE-2007-2383

vendor priority summary link
alpine — CVE-2007-2383: no source package rows; 0 state rows across 0 repos (none); fixed 0, open 0. https://security.alpinelinux.org/vuln/CVE-2007-2383
debian low CVE-2007-2383 low priority: Debian including 10 source packages (asterisk, exaile, …), 37 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 37. https://security-tracker.debian.org/tracker/CVE-2007-2383
redhat — — https://access.redhat.com/security/cve/CVE-2007-2383
ubuntu low CVE-2007-2383 low priority: Ubuntu including 1 source packages (libhtml-prototype-perl), 4 status rows across 4 suites (dapper, edgy, feisty, upstream): ignored 3, needs-triage 1. https://ubuntu.com/security/CVE-2007-2383

Affected software / configurations for CVE-2007-2383

Vendor Product Version Raw CPE
prototypejs prototype_framework 1.5.1_rc3 cpe:2.3:a:prototypejs:prototype_framework:1.5.1_rc3:*:*:*:*:*:*:*

References for CVE-2007-2383

cvelogic Threat Intelligence