Security readout for executives and security teams
Plain-English summary
A WordPress community plugin, Youzify before 1.0.7, allowed logged-in users to store unsafe content in their profile Biography. If an administrator viewed that profile, the script could run in the administrator’s browser and potentially abuse their privileges.
Executive priority
Treat this as a targeted privilege-abuse risk for affected WordPress communities, not a broad unauthenticated takeover. Prioritize internet-facing sites with open registration or many low-trust users.
Technical view
CVE-2021-24443 is stored cross-site scripting in the Youzify About Me widget Biography field. The source says Biography content was not properly sanitized before 1.0.7, allowing authenticated users to save script content that executes when the affected profile is viewed.
Likely exposure
Exposure is limited to WordPress sites using the Youzify BuddyPress community/profile plugin before 1.0.7, especially where untrusted or low-privilege users can edit profile Biography fields.
Exploitation context
The provided sources do not show CISA KEV listing or active exploitation. The described attack requires an authenticated user and a victim, such as an administrator, viewing the attacker’s profile.
Researcher notes
Evidence is limited to the CVE description and WPScan reference. No CVSS, exploit-in-the-wild claim, or detailed vendor advisory is included in the supplied bundle.
Mitigation direction
- Inventory WordPress sites for the Youzify plugin and installed version.
- Upgrade affected installations to 1.0.7 or later, following vendor guidance.
- Restrict profile Biography editing by untrusted users until remediation is complete.
- Review recent administrator activity and unexpected account creation after suspected exposure.
Validation and detection
- Confirm no deployed Youzify installation is earlier than 1.0.7.
- Review user Biography fields for unexpected script-like markup or unsafe HTML.
- Test that low-privilege users cannot save executable content in Biography fields.
- Check audit logs for admin visits to suspicious user profiles.
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-2021-24443 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/a4432acd-df49-4a4f-8184-b55cdd5d4d34CVE 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.
