Security readout for executives and security teams
Plain-English summary
LearnDash LMS for WordPress before 2.5.4 allowed unauthenticated users to upload files without proper authorization or validation. On an exposed WordPress site, that can create a serious server compromise path if uploaded content is executed or abused by the web server.
Executive priority
Prioritize internet-facing WordPress sites using LearnDash. Even without confirmed active exploitation, unauthenticated arbitrary upload can become business-critical because it may enable site takeover, malware hosting, or broader server compromise.
Technical view
The issue is in learndash_assignment_process_init(), where missing authorization and upload validation can permit arbitrary file upload by unauthenticated users. Sources map this to CWE-434 and CWE-862. No CVSS vector is provided in the bundle.
Likely exposure
Public WordPress sites running LearnDash LMS below 2.5.4 are the likely exposure. Risk is highest where assignment upload functionality is reachable from the internet and uploaded files can be stored under web-accessible paths.
Exploitation context
The provided sources describe an unauthenticated arbitrary file upload vulnerability, but the bundle does not cite active exploitation, public weaponization status, or CISA KEV listing. Treat exploit status as unconfirmed from the supplied evidence.
Researcher notes
Evidence is sufficient for affected product, version boundary, weakness type, and vulnerable function. Severity scoring, exploit prevalence, and vendor-specific hardening guidance are not present in the supplied bundle, so those should be independently verified before final risk acceptance.
Mitigation direction
- Upgrade LearnDash LMS to 2.5.4 or later, if confirmed by vendor guidance.
- Restrict or disable assignment upload functionality until upgraded.
- Review web server rules for execution in upload directories.
- Check vendor and WordPress plugin guidance for supported remediation details.
Validation and detection
- Inventory all WordPress sites using LearnDash LMS.
- Confirm installed LearnDash LMS versions are not below 2.5.4.
- Review upload directories for unexpected executable or suspicious files.
- Inspect web logs for unauthenticated upload activity around assignment endpoints.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CWE-434: File access and web shell behavior lookup
File traversal and upload weaknesses can lead teams to review file, web shell, execution, and collection telemetry. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Open ATT&CK lookupCWE-862: Authorization and privilege behavior lookup
Authorization weaknesses can support privilege escalation and valid-account review, depending on exploit path. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Open ATT&CK lookupFile access behavior lookup
The CVE wording references file access or upload behavior, so file telemetry and web shell review may help. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupCVE-2018-25019 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- Unknown
- CVSS
- Not scored
- Known Exploited
- No
- Published
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CVSS and timeline data
No CVSS vectors or timeline events were available in the normalized CVE source material.
Source materials
- CVE List V5 sourceCVE List V5
- https://lists.openwall.net/full-disclosure/2018/01/10/17CVE reference · x_refsource_MISC
- https://wpscan.com/vulnerability/9444f67b-8e3d-4cf0-b319-ed25e7db383aCVE reference · x_refsource_MISC
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
Unrestricted Upload of File with Dangerous Type
Unrestricted Upload of File with Dangerous Type represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.
Missing Authorization
Missing Authorization represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.