WordPress security changelog
MEDIUM CVE-2016-20082 Deferred

Abtest: Filesystem traversal

Abtest is affected by filesystem traversal. The vulnerable path is reachable without authentication. A crafted path can escape the intended directory and reach files or directories elsewhere on the server. The published affected range is 1.0.6.

CVE / CNA score 6.9 CVSS 4.0 · disclosure@vulncheck.com
NVD score Pending NVD has not published its own CVSS assessment.
Component
Abtest
Plugin slug
abtest
Affected
1.0.6
Safe version
See mitigation notes
Published
Jun 15, 2026
Weakness
CWE-98 — Improper Control of Filename for Include/Require Statement in PHP Program ('PHP Remote File Inclusion')

This CVE was published Jun 15, 2026 and is one of 1 known issue for this plugin.

What to do

Update, patch or deactivate.

Update Abtest to a release outside the affected range, or disable and remove it until a fixed version is available.

No confirmed safe version is listed. Consider a vendor-supported patch or temporarily restricting the affected functionality while you assess the risk.

Deactivate only when warranted by your risk profile, or when advised by your hosting provider in the limited circumstances where the vulnerability cannot otherwise be mitigated. If you’re unsure which action is appropriate, contact Fused or your hosting provider for guidance.

Source record

Technical description

WordPress Plugin Abtest contains a local file inclusion vulnerability that allows unauthenticated attackers to include arbitrary files by manipulating the action parameter. Attackers can send GET requests to abtest_admin.php with malicious action values to include files from the admin directory and execute arbitrary code.

CVE / CNA vector: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/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

References

Primary and upstream sources