Security readout for executives and security teams
Plain-English summary
A vulnerable WP Backup Manager plugin version can reflect attacker-controlled script into a user's browser. The main business risk is phishing a site administrator or logged-in user into opening a crafted link, allowing actions or data exposure within that session. The issue is high severity but requires user interaction.
Executive priority
Treat this as a high-priority web application exposure on affected WordPress sites, especially where administrators manage sensitive content or customer data. The urgency is lower than a no-click or server-side takeover bug because user interaction is required.
Technical view
CVE-2023-35775 is an unauthenticated reflected XSS in WP Backup Solutions WP Backup Manager for WordPress versions up to 1.13.1. It maps to CWE-79 with CVSS 3.1 score 7.1, network attack vector, low complexity, no privileges, required user interaction, and changed scope.
Likely exposure
Exposure is limited to WordPress sites running WP Backup Manager at version 1.13.1 or earlier. The source bundle does not identify vulnerable endpoints, install prevalence, or a confirmed fixed version.
Exploitation context
The sources do not report known active exploitation, and the CVE is not marked KEV. Exploitation requires a victim to interact with malicious content, such as a crafted link, but does not require attacker authentication.
Researcher notes
Available evidence identifies reflected XSS but does not include endpoint details, proof-of-concept material, exploit telemetry, or a named fixed release in the provided bundle. Validate through version-based exposure checks and monitor vendor advisories before drawing broader conclusions.
Mitigation direction
- Inventory WordPress sites for WP Backup Manager installations.
- Prioritize sites running WP Backup Manager 1.13.1 or earlier.
- Check vendor or Patchstack guidance for fixed versions or mitigation.
- Temporarily disable the plugin if no safe update is available.
- Review WordPress admin access and least-privilege assignments.
Validation and detection
- Confirm plugin name and installed version from WordPress administration or asset inventory.
- Check whether any installation is at or below version 1.13.1.
- Review web logs for suspicious requests targeting plugin paths.
- Verify compensating controls such as WAF XSS filtering are enabled.
- Retest after update or removal to confirm exposure is closed.
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-2023-35775 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.