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CVE-2015-6961

19
FAUCET Score

CVE-2015-6961 describes an open redirect vulnerability in Web2py version 2.9.11, specifically within the gluon/tools.py component. This flaw allows remote attackers to redirect users to arbitrary external websites, facilitating phishing attacks, by manipulating the "_next" parameter during a user logout request. Rated as Medium severity with a CVSS v3 score of 6.1, the vulnerability requires user interaction (UI:R) and has low impact on confidentiality and integrity (C:L, I:L), but is easily exploitable over the network (AV:N, AC:L). There is no evidence of active exploitation, publicly available exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
2.9.11CPE matchmatch criteria
cpe:2.3:a:web2py:web2py:2.9.11:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

6.1MEDIUM

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality Impact
LOW
Integrity Impact
LOW
Availability Impact
NONE
Exploitability Score
2.8
Impact Score
2.7
CvssVersion
3.0

Exploit Intelligence

EPSS Score
1.01%
Probability of exploitation in next 30 days
EPSS Percentile
59.5%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0101 is in the 72nd percentile among its peer group of 26,234 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 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 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (1)

github_advisorypatch availablevia nvd_reference
View patch

References

github.com / web2py/web2py/commit/e31a099cb3456fef471886339653430ae59056b0
PatchThird Party Advisory
github.com / web2py/web2py/issues/731
Third Party Advisory