Security readout for executives and security teams
Plain-English summary
This is a stored cross-site scripting issue in the WPCS WordPress Currency Switcher Professional plugin through version 1.2.0. A lower-privileged user may be able to save unsafe input that later runs in another user's browser. Business risk is moderate because exploitation requires privileges and user interaction, but WordPress admin sessions can be sensitive.
Executive priority
Treat as a moderate-priority WordPress plugin issue. It should be handled in normal vulnerability remediation cycles, faster for sites with untrusted contributors, customer-facing administration, or high-value admin sessions.
Technical view
CVE-2023-51506 is CWE-79 stored XSS caused by improper input neutralization during web page generation in realmag777 WPCS. The CVSS 3.1 score is 5.5 with network attack vector, high complexity, low privileges required, user interaction required, changed scope, and low confidentiality, integrity, and availability impact.
Likely exposure
Exposure is limited to WordPress sites using WPCS – WordPress Currency Switcher Professional, package currency-switcher, through version 1.2.0. The bundle does not identify affected CPEs or a fixed version.
Exploitation context
The source bundle does not show CISA KEV listing or any cited evidence of active exploitation. The CVSS vector indicates exploitation is not unauthenticated; it requires low privileges and a victim interaction path.
Researcher notes
Evidence is sparse in the provided bundle. The key confirmed facts are stored XSS, affected product through 1.2.0, CVSS 5.5, CWE-79, and no KEV flag. Do not assume public exploitation, affected forks, or a patched version from these sources alone.
Mitigation direction
- Inventory WordPress sites for WPCS or currency-switcher plugin installations.
- Identify versions and prioritize anything through 1.2.0 for review.
- Check vendor and Patchstack guidance for a fixed release or official workaround.
- If no fix is available, assess temporary deactivation or replacement through change control.
- Limit WordPress accounts with plugin access to trusted users only.
Validation and detection
- Confirm whether the plugin is installed on each WordPress site.
- Record the installed plugin version and compare it with 1.2.0.
- Review WordPress roles with access to plugin settings or content inputs.
- Check security monitoring for suspicious WordPress admin activity.
- Verify remediation against vendor or Patchstack guidance once available.
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-2023-51506 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
- 5.5 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:H/PR:L/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:H/PR:L/UI:R/S:C/C:L/I:L/A:L1.33.7Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
5.5MediumVector: CVSS:3.1/AV:N/AC:H/PR:L/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.