Security readout for executives and security teams
Plain-English summary
This vulnerability affects the WordPress ATT YouTube Widget plugin and can let an attacker trick an authenticated site user into saving malicious script content. If successful, that script becomes stored in the site and may run later in affected pages or admin contexts.
Executive priority
Treat as high priority for any WordPress property using this plugin. The practical urgency depends on whether the plugin is installed and whether administrators commonly remain logged in while browsing external content.
Technical view
CVE-2025-48359 is a CSRF issue in ATT YouTube Widget, package att-youtube, reported as affecting versions through 1.0. The resulting impact is stored XSS. CVSS 3.1 is 7.1 with network attack vector, low complexity, no attacker privileges, required user interaction, and changed scope.
Likely exposure
Exposure is limited to WordPress sites that have the ATT YouTube Widget plugin installed, especially versions reported as through 1.0. The source bundle does not provide install counts, CPEs, or clear fixed-version data.
Exploitation context
The source bundle does not show CISA KEV listing or other evidence of active exploitation. Exploitation requires user interaction, consistent with a CSRF path that abuses an authenticated user's browser to store XSS content.
Researcher notes
The public record identifies CSRF leading to stored XSS, but provides limited implementation detail. The bundle has a version-data ambiguity: the description says through 1.0, while the affected entry lists version 0. No exploit or fixed-version evidence is provided.
Mitigation direction
- Inventory WordPress sites for the ATT YouTube Widget plugin and its version.
- Disable or remove the plugin if business use is not required.
- Check vendor, WordPress, and Patchstack guidance for a fixed release or official workaround.
- Limit administrative browsing from logged-in WordPress sessions until remediation is confirmed.
- Review web application controls for CSRF and stored XSS detection coverage.
Validation and detection
- Confirm whether the att-youtube plugin is installed and enabled on each WordPress site.
- Compare installed versions against the reported affected range through 1.0.
- Review widget and plugin settings for unexpected script content or unauthorized changes.
- Check WordPress admin activity logs for suspicious configuration changes.
- Confirm no official fix or workaround is missed in current vendor guidance.
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-352: 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-2025-48359 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.
Cross-Site Request Forgery (CSRF)
Cross-Site Request Forgery (CSRF) represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.