Security readout for executives and security teams
Plain-English summary
This flaw affects the WordPress DeBounce Email Validator plugin through version 5.6.5. An attacker could trick a user into opening a crafted link that runs script in the victim’s browser. Impact depends on the victim’s WordPress privileges and session state.
Executive priority
Prioritize remediation for internet-facing WordPress sites, especially where administrators regularly access the dashboard. This is not confirmed as actively exploited, but the high CVSS score and phishing-friendly attack path justify timely action.
Technical view
CVE-2025-24539 is a reflected cross-site scripting issue caused by improper input neutralization during page generation in debounce-io-email-validator. It is rated CVSS 7.1, network exploitable, low complexity, no privileges required, but requires user interaction. Scope is changed with limited confidentiality, integrity, and availability impact.
Likely exposure
Public WordPress sites running DeBounce Email Validator version 5.6.5 or earlier are potentially exposed. Sites without this plugin, or not using affected versions, are not indicated as affected by the provided sources.
Exploitation context
The source bundle does not show CISA KEV listing or confirmed active exploitation. Exploitation would require a user to interact with a maliciously crafted URL or page, making phishing or targeted administrator lures the most relevant scenario.
Researcher notes
Evidence is limited to the CVE record and Patchstack reference in the provided bundle. No exploit code, fixed version, or active exploitation evidence is provided. Treat exposure analysis as version-based until vendor details are confirmed.
Mitigation direction
- Inventory WordPress sites for the DeBounce Email Validator plugin.
- Identify plugin versions and flag 5.6.5 or earlier.
- Check vendor or Patchstack guidance for a fixed release.
- Update the plugin if a patched version is available.
- Disable or remove the plugin if it is unnecessary.
- Limit administrator browsing while logged into WordPress.
Validation and detection
- Confirm whether the plugin is installed on each WordPress site.
- Record the installed plugin version from WordPress administration or asset inventory.
- Compare installed versions against affected versions through 5.6.5.
- Review Patchstack and vendor sources for remediation status.
- Check web logs for suspicious requests targeting plugin-related parameters.
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-2025-24539 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.