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CVE-2016-4807

29
FAUCET Score

CVE-2016-4807 describes a reflected cross-site scripting (XSS) vulnerability in Web2py versions 2.14.5 and earlier. This flaw allows an attacker to execute malicious scripts in the context of a logged-in administrator's browser. The vulnerability has a medium severity CVSS score of 4.8, indicating it requires high privileges and user interaction, but can lead to limited confidentiality and integrity impacts. While there is no evidence of active exploitation or Metasploit modules, an ExploitDB entry (EDB-39821) exists, and the vulnerability has received minimal community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
<= 2.14.5CPE matchmatch criteria
cpe:2.3:a:web2py:web2py:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

4.8MEDIUM

CVSS:3.0/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
HIGH
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality Impact
LOW
Integrity Impact
LOW
Availability Impact
NONE
Exploitability Score
1.7
Impact Score
2.7
CvssVersion
3.0

Exploit Intelligence

EPSS Score
2.28%
Probability of exploitation in next 30 days
EPSS Percentile
81.3%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
ExploitDB: EDB-39821 · May 16, 2016
This CVE's current EPSS score of 0.0228 is in the 98th percentile among its peer group of 4,931 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Vendor Advisories (1)

pipGHSA-pvcp-73cg-6f77medium

Web2py Reflected XSS vulnerability

May 17, 2022

References

packetstormsecurity.com / files/137070/Web2py-2.14.5-CSRF-XSS-Local-File-Inclusion.html
ExploitThird Party AdvisoryVDB Entry
exploit-db.com / exploits/39821
ExploitThird Party AdvisoryVDB Entry