Security readout for executives and security teams
Plain-English summary
ProfilePress for WordPress before 3.1.8 allowed privileged authenticated users to save script content in some plugin settings. That script could later run in a browser when the setting was displayed. The issue matters most on sites where administrators are intentionally blocked from unfiltered HTML, such as locked-down or multisite environments.
Executive priority
Treat this as a targeted cleanup and governance issue, not an emergency internet-wide exposure based on available evidence. Prioritize affected public WordPress sites, multisite environments, and sites with delegated administrators or recently compromised admin accounts.
Technical view
This is an authenticated stored cross-site scripting issue caused by missing sanitization or escaping of selected ProfilePress settings before save and output. Sources describe exploitation by high-privilege users such as administrators, even when the unfiltered_html capability is disallowed. The affected plugin is ProfilePress, formerly WP User Avatar, before 3.1.8.
Likely exposure
Exposure is likely limited to WordPress sites running ProfilePress before 3.1.8 where trusted high-privilege users can access plugin settings. The business impact is lower than unauthenticated XSS, but meaningful where admin accounts are delegated, restricted, compromised, or used in multisite governance models.
Exploitation context
The source bundle does not show CISA KEV listing or active exploitation evidence. The described attacker needs authenticated high-privilege access and a setting that is saved and later rendered. No public source in the bundle establishes broad exploitation, weaponized use, or unauthenticated reachability.
Researcher notes
The key nuance is privilege boundary bypass: administrators could inject stored script despite unfiltered_html being disabled. Evidence provided does not include CVSS, exploit activity, or detailed affected setting names. Validate exposure through version inventory and role/capability review, then confirm output encoding behavior after update.
Mitigation direction
- Upgrade ProfilePress from versions before 3.1.8 to 3.1.8 or later.
- Review vendor and WPScan guidance for any additional remediation notes.
- Restrict access to ProfilePress settings to necessary trusted administrators.
- Review plugin settings for unexpected script-like content.
- Reassess delegated administrator roles on multisite or locked-down WordPress deployments.
Validation and detection
- Inventory WordPress sites for ProfilePress or former WP User Avatar installations.
- Confirm installed plugin versions are 3.1.8 or later.
- Check whether administrators are blocked from unfiltered_html in the affected environment.
- Review ProfilePress settings for unsafe HTML or script content.
- Verify updated settings render safely without executing active content.
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-2021-24450 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/a8625579-fe8f-4bc1-a641-0e26ad141c92CVE 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.
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.