Security readout for executives and security teams
Plain-English summary
CVE-2025-53563 affects a WordPress video player and slider plugin. A malicious link could cause script to run in a visitor’s browser if they click it. That can support account abuse or content manipulation, but the provided sources do not show active exploitation.
Executive priority
Treat as a high-priority WordPress plugin issue for sites using this plugin. Prioritize internet-facing or administrator-used sites, but do not assume emergency exploitation without additional evidence.
Technical view
The issue is reflected cross-site scripting in LambertGroup Youtube Vimeo Video Player and Slider, package video_player_youtube_vimeo, affecting versions through 3.8. CVSS 3.1 is 7.1, with network attack vector, low complexity, no privileges required, and required user interaction.
Likely exposure
Exposure is limited to WordPress sites running the LambertGroup Youtube Vimeo Video Player and Slider plugin at version 3.8 or earlier. The source bundle does not identify affected CPEs or a confirmed fixed version.
Exploitation context
The CVE is not listed as KEV in the provided bundle. Exploitation requires user interaction, typically a victim following a crafted link. The sources support reflected XSS risk but do not provide evidence of public exploitation or weaponized activity.
Researcher notes
Evidence is thin beyond the CVE description, CVSS vector, affected range, and Patchstack entry. No exploit details, fixed version, CPE list, or active exploitation evidence are included in the provided source bundle.
Mitigation direction
- Inventory WordPress sites for video_player_youtube_vimeo installations.
- Check plugin version and flag version 3.8 or earlier.
- Review Patchstack and vendor guidance for a fixed version or official workaround.
- Update if a vendor-confirmed fixed release exists.
- Disable or remove the plugin where no supported fix is available.
Validation and detection
- Confirm whether the plugin is installed on each WordPress site.
- Record installed plugin versions and compare against affected range through 3.8.
- Review web logs for unusual requests targeting plugin-related pages or parameters.
- Verify any remediation by confirming the vulnerable plugin version is absent.
- Track Patchstack and CVE updates for new fix or exploitation 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-2025-53563 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.