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NVD / CVE Program· CNA Patchstack

CVE-2026-28001: WordPress WP Directory Kit plugin <= 1.5.4 - SQL Injection vulnerability

CriticalCVSS 9.3 · v3.1—Proof of concept Fix available

Noroxi assessment

Priority: Monitor (action score 37/100)

  • Public proof-of-concept code exists (GitHub); there is no record of exploitation in the wild.
  • Probability of exploitation in the next 30 days: 0.40% (FIRST EPSS).
  • Anyone who can reach it over the internet can trigger it. No account or password is required. No user action is required. No special conditions are required; it is repeatable.
  • According to CISA the attack is automatable: targets can be found by mass scanning.
  • Fixed version: WPDirectoryKit WP Directory Kit 1.5.5.

Low priority for now. Upgrade to WPDirectoryKit WP Directory Kit 1.5.5 or later.

Generated automatically from the record's data: CVSS (NVD and CNA), CISA KEV and SSVC, FIRST EPSS, exploit sources, fixed versions. How we calculate it

Primary sources: NVD · CVE.org · FIRST EPSS

Unauthenticated SQL Injection in WP Directory Kit <= 1.5.4 versions.

Published
Aug 13, 2026
Updated
Oct 23, 2026
EPSS
0.4% · 34th percentile

Report tools

JSON

Action score

37

Monitor

Low priority for now.

CVSS
37 / 40 · 9.3 / 10
CISA KEV
0 / 30 · Not listed
EPSS
0 / 30 · 0.4%

CISA SSVC decision

Exploitation
none
Automatable
yes
Technical impact
partial

Vulnrichment: CISA's decision-tree inputs.

CNA vs NVD score

NVD
—
CNA · Patchstack
9.3
NVD has not scored this yet; the score shown is the CNA’s.

The score given by the assigning authority versus NVD’s independent score. A gap means the severity is contested.

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When you'll hear from us

  • when it enters CISA KEV
  • when exploit code appears or is weaponized
  • when the record is updated (including a fixed version)
  • when EPSS rises 20 points in a week

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Noroxi analysis

What does it mean in your environment?

The assessment above is generated automatically from the record's data; it doesn't know your environment. Our team verifies on your systems whether this vulnerability is actually exploitable and which mitigation is enough.

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Affected systems

Is your version affected?

Pick the product and type the version you run. It's compared with this record's version ranges in your browser; the version isn't sent anywhere.

—

Versions reported by the vendor

Affected version ranges reported by the assigning authority (Patchstack). Independent of NVD's CPE analysis and usually ahead of it.

  • WPDirectoryKit WP Directory Kit

    • n/a and later · up to and including 1.5.4affectedfixed in 1.5.5

Same product

wpdirectorykit: all records

Other highest-scoring records for the same primary product.

  • CVE-2025-13390WP Directory Kit <= 1.4.4 - Authentication Bypass to Privilege Escalation via Account Takeover
    40Plan
  • CVE-2023-2278WP Directory Kit <= 1.1.9 - Unauthenticated Local File Inclusion via wdk_public_action
    40Plan
  • CVE-2023-41875WordPress WP Directory Kit plugin <= 1.2.6 - Broken Access Control vulnerability
    39Monitor

Published before and after this one in the same product

  • ← EarlierCVE-2025-13920Jan 24, 2026 · WP Directory Kit <= 1.4.9 - Unauthenticated Email Exposure via wdk_public_action
    21Monitor
  • ← EarlierCVE-2026-27538Aug 13, 2026 · WordPress WP Directory Kit plugin <= 1.5.4 - SQL Injection vulnerability
    30Monitor
  • Later →CVE-2026-16588Sep 16, 2026 · WP Directory Kit <= 1.5.4 - Authenticated (Custom+) SQL Injection via 'order_by' Parameter
    26Monitor

Remediation

Which version to upgrade to

Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.

Product / packageFixed versionSource
WPDirectoryKit WP Directory Kit1.5.5Vendor (CNA)

Exploit status

Proof of concept available

A public proof of concept or detection signature exists. Exploit knowledge is out there; don't delay patching.

Evidence

  • Proof-of-concept repository on GitHub ×1

Noroxi does not host or link to exploit code. Metasploit module names and Nuclei template ids are shown (names, not code); Exploit-DB entries and PoC repositories are given as counts only.

Public exploit evidence
SourceKindDate
Proof-of-concept repository on GitHubstars:02026-08-24

Research context

For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.

Timeline

From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.

  1. Published
  2. First PoC+10 d
  3. TodayNov 13, 2026+91 d
EPSS, last 120 days

FIRST EPSS daily score; only changes of 0.01 or more are recorded (step chart).

Credits

All researchers

Finders, reporters and analysts named in the CNA record. Click a name for that researcher’s other records.

Variant candidates

Same product, same weakness class, within 18 months. If the patch missed the root cause, the sibling bug is here.

  • CVE-2026-275380 days apartWordPress WP Directory Kit plugin <= 1.5.4 - SQL Injection vulnerability
    30Monitor
  • CVE-2026-10919779 days apartWP Directory Kit <= 1.6.0 - Unauthenticated SQL Injection via 'idfield' Parameter
    30Monitor
  • CVE-2025-13089243 days apartWP Directory Kit <= 1.4.7 - Unauthenticated SQL Injection
    30Monitor
  • CVE-2025-13138265 days apartWP Directory Kit <= 1.4.3 - Unauthenticated SQL Injection via select_2_ajax() Function
    30Monitor
  • CVE-2026-1658834 days apartWP Directory Kit <= 1.5.4 - Authenticated (Custom+) SQL Injection via 'order_by' Parameter
    26Monitor
  • CVE-2026-1659648 days apartWP Directory Kit <= 1.5.4 - Authenticated (Custom+) SQL Injection via 'data_fields_list' Parameter
    26Monitor

Not on record for this CVE: patch commit or PR link · public bounty program.

Technical details

Attack conditions

  • Anyone who can reach it over the internet can trigger it.
  • No account or password is required.
  • No user action is required.
  • No special conditions are required; it is repeatable.

If successful

Confidentiality
high · data can be read
Integrity
none
Availability
low · the service can be disrupted

Impact can extend beyond the vulnerable component (scope changes).

Attack vector
Network
Attack complexity
Low
Privileges required
None
User interaction
None
Scope
Changed
Confidentiality impact
High
Integrity impact
None
Availability impact
Low

Weakness class (CWE)

CWE-89 · Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection')

CVSS vector

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

nvd-secondary

Root cause

The query text is built by concatenating user input. The database cannot tell where the data ends and the command begins.

The bug in code

The whole CWE-89 class

A representative example of this vulnerability class. Not the vendor's source code; it shows the faulty pattern and its fix.

Vulnerable

ts
const owner = req.query.owner;const rows = await db.query(  "SELECT * FROM files WHERE owner = '" + owner + "'");

Fixed

ts
const owner = req.query.owner;const rows = await db.query(  "SELECT * FROM files WHERE owner = $1",  [owner]);

Attack context

MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.

ATT&CK techniques

—

References

Vendor advisories and official records. Exploit/PoC links are deliberately left out.

All records