CVE-2023-6634 (GCVE-0-2023-6634)

Vulnerability from cvelistv5 – Published: 2024-01-11 08:32 – Updated: 2026-04-08 16:41
VLAI Shadowserver Previdian
Title
LearnPress <= 4.2.5.7 - Command Injection
Summary
The LearnPress plugin for WordPress is vulnerable to Command Injection in all versions up to, and including, 4.2.5.7 via the get_content function. This is due to the plugin making use of the call_user_func function with user input. This makes it possible for unauthenticated attackers to execute any public function with one parameter, which could result in remote code execution.
Severity
8.1 (High)
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-05-08 15:47 UTC
CWE
  • CWE-88 - Improper Neutralization of Argument Delimiters in a Command ('Argument Injection')
  • CWE-77 - Improper Neutralization of Special Elements used in a Command ('Command Injection')
Assigner
References
Impacted products
Credits
hoangnd123123
Shadowserver
Known Exploited Vulnerability - GCVE BCP-07 Compliant
KEV entry ID: a80bc482-8ff3-4841-b892-1c221c43fd95

Vulnerability ID: CVE-2023-6634

Status: Confirmed

Status Updated: 2026-07-15 00:00 UTC

Exploited: Yes

Characteristics
Severity: 98.0
Timestamps
First Seen: 2024-04-06
Asserted: 2024-04-06
Last Seen: 2026-07-15
Scope
Asset Exposure: ['internet-facing']
Notes: Affected: Wordpress / Wordpress LearnPress plugin | Class: cms | Severity: Critical (CVSS 9.8) | IoT: no | In CISA KEV: no | Honeypot connections on 2026-07-15: 2
Evidence

Type: Honeypot

Signal: In The Wild Attempts

Confidence: 70%

Source: shadowserver

Details
1D 1
Iot no
Feed Shadowserver Foundation honeypot/exploited-vulnerabilities
Type http-scan
Class cms
7D Avg 0
Vendor Wordpress
30D Avg 0
90D Avg 0
Product Wordpress LearnPress plugin
Cisa Kev no
Connections 2
Observation Date 2026-07-15
Vulnerability Class CVSS
Vulnerability Score 9.8
Vulnerability Severity Critical
References
Created: 2026-06-30 09:42 UTC | Updated: 2026-07-17 01:01 UTC
Previdian
Known Exploited Vulnerability - GCVE BCP-07 Compliant
KEV entry ID: d1637fdf-f080-4f2a-8606-3a1a9de9d6d0

Vulnerability ID: CVE-2023-6634

Status: Confirmed

Status Updated: 2024-01-11 08:32 UTC

Exploited: Yes

Timestamps
First Seen: 2024-01-11
Asserted: 2024-01-11
Scope
Notes: KEVIntel entry: The LearnPress plugin for WordPress is vulnerable to Command Injection in all versions up to, and including, 4.2.5.7 via the get_content function.... | Affected: thimpress / LearnPress – WordPress LMS Plugin | CVSS: 8.1 (HIGH) | Used in malware: unknown | Not yet in CISA KEV: True
Evidence

Type: Public Report

Signal: Successful Exploitation

Confidence: 70%

Source: kevintel

Details
Feed KEVIntel (kevintel.com)
Title The LearnPress plugin for WordPress is vulnerable to Command Injection in all versions up to, and including, 4.2.5.7 via the get_content function....
Vendor thimpress
Product LearnPress – WordPress LMS Plugin
Added Date 2024-01-11T08:32:28.000Z
Cvss Score 8.1
Epss Score None
Cvss Severity HIGH
Epss Percentile None
Used In Malware unknown
Ahead Of Cisa Kev None
Not Yet In Cisa Kev True
References
Created: 2026-06-23 14:06 UTC | Updated: 2026-07-10 06:14 UTC
Show details on NVD website
To clipboard 

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                "baseScore": 8.1,
                "baseSeverity": "HIGH",
                "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H",
                "version": "3.1"
              }
            }
          ],
          "problemTypes": [
            {
              "descriptions": [
                {
                  "cweId": "CWE-88",
                  "description": "CWE-88 Improper Neutralization of Argument Delimiters in a Command (\u0027Argument Injection\u0027)",
                  "lang": "en",
                  "type": "CWE"
                }
              ]
            }
          ],
          "providerMetadata": {
            "dateUpdated": "2026-04-08T16:41:22.428Z",
            "orgId": "b15e7b5b-3da4-40ae-a43c-f7aa60e62599",
            "shortName": "Wordfence"
          },
          "references": [
            {
              "url": "https://www.wordfence.com/threat-intel/vulnerabilities/id/21291ed7-cdc0-4698-9ec4-8417160845ed?source=cve"
            },
            {
              "url": "https://plugins.trac.wordpress.org/changeset/3013957/learnpress"
            }
          ],
          "timeline": [
            {
              "lang": "en",
              "time": "2023-12-08T00:00:00.000Z",
              "value": "Vendor Notified"
            },
            {
              "lang": "en",
              "time": "2024-01-03T00:00:00.000Z",
              "value": "Disclosed"
            }
          ],
          "title": "LearnPress \u003c= 4.2.5.7 - Command Injection"
        }
      },
      "cveMetadata": {
        "assignerOrgId": "b15e7b5b-3da4-40ae-a43c-f7aa60e62599",
        "assignerShortName": "Wordfence",
        "cveId": "CVE-2023-6634",
        "datePublished": "2024-01-11T08:32:28.636Z",
        "dateReserved": "2023-12-08T19:29:09.184Z",
        "dateUpdated": "2026-04-08T16:41:22.428Z",
        "state": "PUBLISHED"
      },
      "dataType": "CVE_RECORD",
      "dataVersion": "5.2"
    }
  }
}



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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.