Security readout for executives and security teams
Plain-English summary
This CVE affects the WordPress Group category creator plugin through version 1.3.0.3. A crafted link or request could cause script to run in a victim’s browser after user interaction. That can undermine trust in the site and expose limited user data or actions.
Executive priority
Treat this as a high-priority WordPress plugin exposure where the plugin is installed. The main business risk is browser-side compromise after user interaction, especially for administrators or trusted users. Prioritize inventory and vendor-guided remediation.
Technical view
The issue is reflected cross-site scripting caused by improper input neutralization during page generation. CVSS 3.1 is 7.1 with network access, low complexity, no attacker privileges, required user interaction, and changed scope. The supplied sources do not identify a fixed version.
Likely exposure
Exposure is limited to WordPress sites with the group-category-creator plugin installed at version 1.3.0.3 or earlier. Sites not using this plugin are not indicated as affected by the provided sources.
Exploitation context
The source bundle does not show CISA KEV listing or evidence of active exploitation. Exploitation requires user interaction, consistent with reflected XSS, but no weaponized details or exploit status are provided.
Researcher notes
Evidence supports CWE-79 reflected XSS in Group category creator through 1.3.0.3. The provided data gives CVSS and affected range, but not the vulnerable parameter, proof of exploitation, or a confirmed patched version. Avoid assuming broader WordPress impact.
Mitigation direction
- Check vendor, WordPress.org, and Patchstack guidance for a fixed release.
- Update the plugin if a vendor-confirmed patched version exists.
- Disable or remove the plugin if no supported fix is available.
- Prioritize admin-facing exposure and high-traffic WordPress sites.
- Monitor vendor advisories for status changes.
Validation and detection
- Inventory WordPress sites for the group-category-creator plugin.
- Confirm whether installed versions are 1.3.0.3 or earlier.
- Review plugin changelogs or vendor advisories for a patched version.
- Check web logs for suspicious plugin-related requests.
- Verify reflected output handling in a controlled, non-production test.
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-2025-23603 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.
SSVC decision data
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:L2.83.7PatchstackVulnerability 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
Vulnerability timeline
Timeline events are normalized from CVE metadata, CNA source timelines, ADP timelines, and KEV metadata when present.
- CVE reservedCVE Program
The CVE ID was reserved by the assigning CNA.
- CVE publishedCVE Program
The CVE record was published.
- CVE updatedCVE Program
The CVE record metadata indicates this as the latest update time.
ADP provider summaries
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.