Security readout for executives and security teams
Plain-English summary
CVE-2023-51536 is a stored XSS issue in the CRM Perks Forms WordPress plugin through version 1.1.2. A highly privileged user could save malicious script content that later runs when another user views affected plugin-generated pages or interfaces.
Executive priority
Treat as a moderate-priority WordPress hygiene issue. Prioritize sites with many administrators, external content managers, or sensitive admin sessions, but do not classify it as emergency remediation without exploitation evidence.
Technical view
The vulnerability is CWE-79 improper neutralization during web page generation in CRM Perks Forms - WordPress Form Builder. CVSS 3.1 is 5.9 with network access, low attack complexity, high privileges required, user interaction required, changed scope, and low confidentiality, integrity, and availability impact.
Likely exposure
Likely exposure is WordPress sites running the crm-perks-forms plugin at version 1.1.2 or earlier. The source bundle does not identify affected configurations beyond the plugin and version range.
Exploitation context
The provided sources do not show active exploitation, and the CVE is not listed as KEV. Practical risk is reduced by the high privilege requirement, but stored XSS can still matter on shared-admin or compromised-account WordPress sites.
Researcher notes
Evidence is limited to the CVE record and Patchstack reference in the bundle. The vector indicates stored XSS requiring high privileges and victim interaction. No exploit code, fixed version, or in-the-wild exploitation evidence is provided here.
Mitigation direction
- Inventory WordPress sites for the crm-perks-forms plugin and its installed version.
- Check CRM Perks or Patchstack guidance for a fixed version or official workaround.
- Disable or remove the plugin where it is unused or cannot be safely updated.
- Restrict high-privilege WordPress accounts to trusted administrators only.
- Review stored forms or plugin content for unexpected scripts or markup.
Validation and detection
- Confirm whether crm-perks-forms is installed on each WordPress site.
- Verify installed versions are not 1.1.2 or earlier where guidance identifies a fix.
- Review administrative users with permission to modify plugin forms or content.
- Check recent plugin-managed content changes for suspicious embedded script behavior.
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-2023-51536 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
- Medium
- CVSS
- 5.9 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:H/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:H/UI:R/S:C/C:L/I:L/A:L1.73.7Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
5.9MediumVector: CVSS:3.1/AV:N/AC:L/PR:H/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.