Security readout for executives and security teams
Plain-English summary
CVE-2025-30920 is a stored cross-site scripting issue in the WordPress WP Posts Carousel plugin through version 1.3.7. A lower-privileged user could store unsafe content that later runs in another user’s browser. Business risk is moderate because exploitation requires access and user interaction, but impact can include account actions or data exposure in WordPress sessions.
Executive priority
Treat as a moderate-priority remediation item for WordPress properties. Prioritize public or multi-author sites first, especially where contributors or editors are not fully trusted. If the plugin is unused, removal is the fastest risk reduction. Do not assume a patch exists unless vendor or Patchstack guidance confirms it.
Technical view
The issue is CWE-79 improper neutralization during web page generation in teastudio.pl WP Posts Carousel, package wp-posts-carousel, through version 1.3.7. CVSS 3.1 is 6.5: AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:L. The source bundle does not name a fixed version, patch status, affected component field, or validated exploit procedure.
Likely exposure
Exposure is limited to WordPress sites running WP Posts Carousel version 1.3.7 or earlier. Risk increases where non-administrative users can create, edit, or influence carousel-rendered content. Sites not using this plugin are not indicated as affected by the provided sources.
Exploitation context
The sources do not report active exploitation, and this CVE is not marked as KEV. The CVSS vector indicates network reachability, low attack complexity, required low privileges, and required user interaction. Because this is stored XSS, the impact depends on who later views the affected page or admin context.
Researcher notes
Evidence supports stored XSS, affected plugin and version range, CWE-79, and CVSS 6.5. Evidence does not include exploit details, active exploitation, KEV listing, or a named fixed version. Validation should focus on plugin presence, version, privilege model, and whether carousel-rendered content accepts untrusted input.
Mitigation direction
- Inventory WordPress sites for the wp-posts-carousel plugin and installed version.
- Check vendor and Patchstack guidance for an official fixed release or mitigation.
- Disable or remove the plugin where it is not business-critical.
- Restrict content-editing privileges to trusted users until remediation is confirmed.
- Review WordPress hardening controls that reduce XSS impact, such as least privilege.
Validation and detection
- Confirm whether WP Posts Carousel is installed on each WordPress site.
- Record plugin versions and flag any instance at or below 1.3.7.
- Review which roles can create or edit content rendered by the carousel.
- Use only non-destructive validation in staging or approved testing environments.
- Monitor vendor, CVE, and Patchstack records for updated fix details.
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-2025-30920 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
- 6.5 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/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:L/PR:L/UI:R/S:C/C:L/I:L/A:L2.33.7Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
6.5MediumVector: CVSS:3.1/AV:N/AC:L/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.