Security readout for executives and security teams
Plain-English summary
This is a reflected cross-site scripting issue in the WordPress Manage Upload Limit plugin. A vulnerable site could cause a visitor or administrator to run attacker-controlled script in their browser after interacting with a crafted request. The source bundle rates it high, but does not show confirmed active exploitation.
Executive priority
Treat this as a high-priority WordPress plugin exposure if the plugin is present. Prioritize inventory first, then removal, disablement, or vendor-confirmed update. Do not assume enterprise-wide risk unless affected WordPress sites are actually using this plugin.
Technical view
CVE-2023-27432 is an unauthenticated reflected XSS vulnerability in WpSimpleTools Manage Upload Limit for WordPress versions up to 1.0.4. It is tracked as CWE-79 with CVSS 3.1 score 7.1, network attack vector, low complexity, no privileges required, and user interaction required.
Likely exposure
Exposure is limited to WordPress sites with the WpSimpleTools Manage Upload Limit plugin installed and active at version 1.0.4 or earlier. The source bundle does not identify affected CPEs or a confirmed fixed version.
Exploitation context
The source bundle marks KEV as false and provides no cited evidence of active exploitation. Practical exploitation would require user interaction, consistent with reflected XSS, and could affect browser-side confidentiality, integrity, and availability within the vulnerable site context.
Researcher notes
Evidence is concise: CVE metadata and Patchstack identify unauthenticated reflected XSS in plugin versions up to 1.0.4. The bundle does not provide vulnerable parameter details, proof of exploitation, CPEs, or a named fixed release, so validation should remain non-invasive and source-led.
Mitigation direction
- Inventory WordPress sites for the Manage Upload Limit plugin.
- Disable or remove the plugin if it is unnecessary.
- Check Patchstack and vendor guidance for fixed-version information.
- Update only according to confirmed vendor or repository guidance.
- Apply existing WAF or browser hardening controls as compensating measures.
Validation and detection
- Confirm whether wpsimpletools-upload-limit is installed and active.
- Record the installed plugin version on each WordPress site.
- Flag any active version at or below 1.0.4.
- Review administrator-facing traffic for suspicious reflected XSS indicators.
- Recheck CVE and Patchstack records for updated remediation details.
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-79: User-session and phishing behavior lookup
Client-side and session-facing weaknesses should be reviewed alongside initial-access and user-execution behaviors. 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 lookupCVE-2023-27432 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
- High
- CVSS
- 7.1 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L
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 vector scores
1 official scoreWe 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.
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L2.83.7Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
7.1HighVector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L
Source materials
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.
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.