Security readout for executives and security teams
Plain-English summary
Theme Switcher Reloaded for WordPress has a reflected XSS flaw through version 1.1. If a user interacts with a malicious link or page, attacker-controlled script may run in that user’s browser. The public bundle does not show active exploitation or a named fixed version.
Executive priority
Treat as a high-priority web application issue for affected WordPress sites, especially public sites with administrator traffic. Business urgency is moderate to high because XSS can support account abuse, content manipulation, or user data exposure, but active exploitation is not evidenced here.
Technical view
CVE-2025-53223 is a CWE-79 reflected cross-site scripting issue in undoIT Theme Switcher Reloaded, package theme-switcher-reloaded, affecting versions through 1.1. CVSS 3.1 is 7.1 high: network reachable, low complexity, no privileges required, user interaction required, and changed scope.
Likely exposure
Exposure is limited to WordPress sites where Theme Switcher Reloaded is installed at version 1.1 or earlier. The source bundle does not establish exposure for other plugins, themes, or WordPress core.
Exploitation context
The CVE is not marked as CISA KEV, and the provided sources do not report active exploitation. The CVSS vector indicates exploitation requires user interaction, consistent with reflected XSS risk rather than automatic server compromise.
Researcher notes
Do not assume a fixed version from this bundle. The affected range is stated as through 1.1, but the affected object also contains sparse version data. Validate against the CVE record, Patchstack entry, and local plugin metadata before closing exposure.
Mitigation direction
- Inventory WordPress sites for theme-switcher-reloaded installations and versions.
- Check vendor, WordPress plugin, and Patchstack guidance for an official fixed release.
- Disable or remove the plugin where it is not business-critical.
- Prioritize remediation on externally accessible or administrator-used WordPress sites.
Validation and detection
- Confirm whether Theme Switcher Reloaded is installed on each WordPress site.
- Record installed plugin versions and flag versions 1.1 or earlier.
- Review security tooling or WAF alerts for XSS-related activity targeting the plugin.
- Retest after remediation using approved defensive validation only.
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-2025-53223 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.