Security readout for executives and security teams
Plain-English summary
CVE-2025-49064 is a reflected cross-site scripting flaw in the WordPress User Language Switch plugin through version 1.6.10. A victim must interact with a crafted request, but no login is required by the attacker. Successful abuse could expose limited data, alter page behavior, or disrupt a user session.
Executive priority
Treat this as a near-term WordPress remediation task for externally facing sites. It is not confirmed as actively exploited in the provided sources, but the public web exposure and no-attacker-login requirement justify prompt inventory and cleanup.
Technical view
The issue is CWE-79 improper input neutralization during web page generation in Webilop User Language Switch, package user-language-switch, affecting versions through 1.6.10. CVSS 3.1 is 7.1 with network attack vector, low complexity, no privileges required, user interaction required, changed scope, and low confidentiality, integrity, and availability impact.
Likely exposure
Exposure is most likely on public WordPress sites that have User Language Switch installed at version 1.6.10 or earlier. The provided data does not identify specific vulnerable endpoints, themes, configurations, or fixed versions.
Exploitation context
The source bundle does not show CISA KEV listing or cited evidence of active exploitation. The vulnerability is still important because reflected XSS is reachable over the network and can affect users who follow attacker-controlled links or requests.
Researcher notes
Evidence is limited to the CVE metadata and Patchstack database reference. Do not assume exploit details, affected routes, or patch availability beyond the sources. Validation should stay defensive: version confirmation, advisory tracking, and monitoring review.
Mitigation direction
- Inventory WordPress sites for the User Language Switch plugin and installed version.
- Prioritize sites running User Language Switch version 1.6.10 or earlier.
- Check Patchstack, CVE, and vendor guidance for a fixed release or mitigation.
- Update to a vendor-supported fixed version if one is available.
- Disable or remove the plugin where no safe remediation is available.
Validation and detection
- Confirm whether the plugin package user-language-switch is installed on each WordPress site.
- Record the installed plugin version and compare it with the affected range through 1.6.10.
- Review security monitoring for suspicious XSS-related activity involving affected WordPress sites.
- After remediation, recheck plugin inventory and verify the vulnerable version is absent.
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-2025-49064 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.