Security readout for executives and security teams
Plain-English summary
CVE-2023-47517 affects WordPress sites using SendPress Newsletters version 1.23.11.6 or older. An unauthenticated attacker could use reflected cross-site scripting if a user follows a malicious link. This can expose session context or alter page behavior in the victim's browser, but user interaction is required.
Executive priority
Prioritize remediation for any internet-facing WordPress site using the affected plugin, especially sites with privileged editors or administrators. Business urgency is high because exploitation can be triggered remotely through user interaction, but available evidence does not confirm active exploitation.
Technical view
The issue is CWE-79 reflected XSS in the SendPress Newsletters WordPress plugin through 1.23.11.6. CVSS 3.1 is 7.1, with network access, low complexity, no privileges, required user interaction, changed scope, and low confidentiality, integrity, and availability impact.
Likely exposure
Exposure is limited to WordPress installations with the SendPress Newsletters plugin installed at version 1.23.11.6 or earlier. Public-facing WordPress sites are more likely to be targeted, especially where administrators or logged-in users can be induced to open attacker-controlled links.
Exploitation context
The supplied sources do not show CISA KEV listing or confirmed active exploitation. The vulnerability is unauthenticated but reflected, so exploitation depends on convincing a victim to interact with crafted content. Treat this as credible phishing-assisted risk, not confirmed mass exploitation.
Researcher notes
The public record identifies unauthenticated reflected XSS only. No exploit details, affected endpoint, or definitive patch version are included in the supplied bundle. Validation should focus on asset inventory, version comparison, and vendor/Patchstack advisories rather than offensive reproduction.
Mitigation direction
- Inventory WordPress sites for the SendPress Newsletters plugin and installed version.
- Upgrade to a vendor-confirmed non-vulnerable version when available.
- Disable or remove the plugin where it is not operationally required.
- Check Patchstack and vendor guidance before choosing compensating controls.
- Prioritize administrative accounts for browser and session hardening.
Validation and detection
- Confirm whether any site runs SendPress Newsletters version 1.23.11.6 or earlier.
- Verify plugin update or removal on production and staging systems.
- Review web security logs for unusual reflected-XSS indicators without reproducing payloads.
- Confirm WordPress administrators use MFA and least-privilege accounts.
- Document affected URLs, owner, remediation date, and residual risk.
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-2023-47517 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.