Security readout for executives and security teams
Plain-English summary
This vulnerability affects the WordPress Contact Forms by Cimatti plugin up to version 1.5.4. An unauthenticated attacker could store malicious script content that later runs when another user views it. That can expose data, alter page behavior, or disrupt normal use, especially on sites where administrators review submitted content.
Executive priority
Treat this as a high-priority WordPress plugin exposure. It is not confirmed exploited in the provided sources, but unauthenticated stored XSS can affect administrators and site visitors. Prioritize inventory, version confirmation, and removal or update where the plugin is present.
Technical view
CVE-2023-28781 is an unauthenticated stored cross-site scripting issue in Cimatti Consulting's Contact Forms by Cimatti WordPress plugin <= 1.5.4. The CVSS 3.1 score is 7.1 with network attack vector, low complexity, no privileges required, user interaction required, and changed scope. CWE-79 is assigned.
Likely exposure
Exposure is limited to WordPress sites running the Contact Forms by Cimatti plugin at version 1.5.4 or earlier. The source bundle does not identify affected parameters, fixed versions, installation prevalence, or whether the plugin is actively maintained.
Exploitation context
The CVE is not listed as CISA KEV in the provided bundle, and no cited source states active exploitation. The risk comes from unauthenticated stored XSS: content may be saved by an attacker and triggered later when a user views affected plugin output or submissions.
Researcher notes
Evidence supports unauthenticated stored XSS, CVSS 7.1, CWE-79, and affected plugin <= 1.5.4. The bundle does not provide vulnerable field names, proof-of-concept details, exploit telemetry, fixed version, or vendor remediation text, so validation should remain non-invasive and source-grounded.
Mitigation direction
- Inventory WordPress sites for the Contact Forms by Cimatti plugin.
- Check the installed plugin version against <= 1.5.4 exposure.
- Apply vendor or WordPress plugin guidance if a fixed version exists.
- Disable or remove the plugin if no safe update is available.
- Restrict administrative access and monitor form-related activity.
Validation and detection
- Confirm whether the plugin is installed and active on each WordPress site.
- Record the exact plugin version from WordPress administration or asset inventory.
- Review vendor, WordPress, and Patchstack advisories for remediation status.
- Check logs for suspicious form submissions or unexpected script-like content.
- Verify remediation by confirming the vulnerable plugin version is absent.
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-2023-28781 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.