Security readout for executives and security teams
Plain-English summary
Any Hostname for WordPress through version 1.0.6 has a stored XSS weakness in its “Allowed hosts” setting. The cited evidence says a high-privilege authenticated user can save unsafe script content there. This is not shown as actively exploited, but it can create risk in WordPress admin environments.
Executive priority
Handle as a moderate-priority WordPress plugin hygiene issue. It is not cited as actively exploited, but stored XSS in administrative settings can become serious if an admin account is compromised or shared broadly.
Technical view
The plugin does not sanitize or escape the “Allowed hosts” configuration value, creating CWE-79 stored cross-site scripting. The source description limits the actor to high-privilege authenticated users. No CVSS score, fixed version, exploit details, or confirmed exploitation are provided in the bundle.
Likely exposure
Exposure is likely limited to WordPress sites that have the Any Hostname plugin installed at version 1.0.6 or earlier. Practical exposure depends on who can administer plugin settings and whether the affected setting is viewed in a browser context.
Exploitation context
The bundle does not show KEV listing or active exploitation. The issue requires authenticated high-privilege access to set the affected configuration value. That lowers opportunistic internet-scale risk but still matters for compromised admin accounts, insider misuse, or shared administration environments.
Researcher notes
Evidence is narrow: affected product, version through 1.0.6, CWE-79, and the vulnerable setting are identified. The bundle does not provide CVSS, patch status, sink location, proof of exploitation, or detailed impact scope, so validation should stay inventory- and configuration-focused.
Mitigation direction
- Inventory WordPress sites for the Any Hostname plugin.
- Check vendor or WordPress plugin guidance for a fixed version.
- Update if a maintained fixed release is available.
- Disable or remove the plugin if no fix is available or it is unnecessary.
- Restrict WordPress administrator access to trusted accounts only.
Validation and detection
- Confirm whether Any Hostname is installed on each WordPress site.
- Record installed plugin versions and flag 1.0.6 or earlier.
- Review who has permission to change plugin settings.
- Inspect recent changes to the “Allowed hosts” setting.
- Check WordPress admin logs for unusual high-privilege activity.
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-2021-24481 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
- Unknown
- CVSS
- Not scored
- Known Exploited
- No
- Published
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 and timeline data
No CVSS vectors or timeline events were available in the normalized CVE source material.
Source materials
- CVE List V5 sourceCVE List V5
- https://wpscan.com/vulnerability/a4c352de-9815-4dfe-ac51-65b5bfb37438CVE reference · x_refsource_MISC
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.