CVE-2024-50526: WordPress Multi Purpose Mail Form plugin <= 1.0.2 - Arbitrary File Upload vulnerability
Unrestricted Upload of File with Dangerous Type vulnerability in Lindeni Mahlalela Multi Purpose Mail Form multi-purpose-mail-form allows Upload a Web Shell to a Web Server.This issue affects Multi Purpose Mail Form: from n/a through <= 1.0.2.
Security readout for executives and security teams
Plain-English summary
CVE-2024-50526 is a critical file upload flaw in the WordPress Multi Purpose Mail Form plugin. An unauthenticated attacker may be able to upload a dangerous file such as a web shell, potentially taking control of the site and affecting confidentiality, integrity, and availability.
Executive priority
Treat this as urgent for any WordPress environment using the plugin. The vulnerability is rated critical and may allow full site compromise without authentication. If the plugin is not present, business exposure is unlikely.
Technical view
The source bundle describes CWE-434 unrestricted upload of dangerous file type in Lindeni Mahlalela Multi Purpose Mail Form through version 1.0.2. CVSS 3.1 is 10.0 with network, low-complexity, no-privilege, no-user-interaction exploitation and changed scope.
Likely exposure
Exposure is likely limited to WordPress sites with the multi-purpose-mail-form plugin installed at version 1.0.2 or earlier. The bundle does not provide CPEs, install counts, vulnerable endpoint details, or confirmed fixed versions.
Exploitation context
The CVE is not listed as KEV in the provided bundle, so active exploitation is not established here. A referenced public GitHub repository is labeled as an exploit, indicating public offensive interest, but this analysis avoids relying on unverified exploit mechanics.
Researcher notes
Evidence is strong on vulnerability class and severity, but incomplete on fixed versions, endpoint specifics, and exploitation in the wild. Avoid assumptions beyond the CVE, Patchstack reference, and referenced GitHub repository.
Mitigation direction
Inventory WordPress sites for the multi-purpose-mail-form plugin.
Disable or remove affected versions until vendor guidance confirms a safe release.
Check Patchstack and vendor sources for an official fixed version or advisory.
Review web roots and uploads for unexpected executable files.
Prioritize backup verification and incident review for exposed installations.
Validation and detection
Confirm plugin presence and version in WordPress admin or asset inventory.
Identify whether any internet-facing site runs version 1.0.2 or earlier.
Review web server logs for unusual upload activity.
Inspect plugin and upload directories for unexpected executable content.
Track CVE and Patchstack records for updated remediation details.
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Potential ATT&CK relevance
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 · medium confidence lookup
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.
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.
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.
1CVSS vectors
3Timeline events
2ADP providers
3Source links
SSVC decision data
CISA-ADPCISA Coordinator
Timestamp
Version
2.0.3
Exploitation: noneAutomatable: yesTechnical Impact: total
CVSS vector scores
1 official score
We collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
CWE-434 · source CWE mapping
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.