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CVE-2016-10977

18
FAUCET Score

CVE-2016-10977 describes a directory traversal vulnerability in the Nelio AB Testing plugin for WordPress, affecting versions prior to 4.5.0. This flaw allows an authenticated attacker to read arbitrary files on the server due to improper handling of filenames containing directory traversal sequences. Rated Medium severity (CVSS 6.5), the vulnerability requires low privileges and network access, potentially leading to high confidentiality impact. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
< 4.5.0CPE matchmatch criteria
cpe:2.3:a:neliosoftware:nelio_ab_testing:*:*:*:*:*:wordpress:*:*

CVSS Data

CVSS version used by this source: 3.1

6.5MEDIUM

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
NONE
Exploitability Score
2.8
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
2.20%
Probability of exploitation in next 30 days
EPSS Percentile
80.6%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
This CVE's current EPSS score of 0.0220 is in the 92nd percentile among its peer group of 21,939 CVEs.

Social Chatter

No social media mentions found for this CVE.

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 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

wordpress.org / plugins/nelio-ab-testing
Release Notes
wpvulndb.com / vulnerabilities/8491
Third Party Advisory
openwall.com / lists/oss-security/2016/05/10/1
ExploitMailing ListThird Party Advisory