Security readout for executives and security teams
Plain-English summary
CVE-2021-24658 affects the Erident Custom Login and Dashboard WordPress plugin before 3.5.9. A privileged logged-in user could save unsafe script content in plugin settings, creating stored XSS risk. This is mainly a concern where administrator-level accounts are compromised, shared, or not tightly controlled.
Executive priority
Treat this as a targeted WordPress hygiene issue, not an emergency internet-wide flaw. Prioritize updating affected sites and reviewing privileged account security, especially on public-facing or business-critical WordPress properties.
Technical view
The plugin failed to properly sanitize settings values, enabling authenticated stored cross-site scripting by high-privilege users, even when WordPress unfiltered_html was disabled. The issue is classified as CWE-79 and was addressed in the WordPress plugin changeset associated with version 3.5.9.
Likely exposure
Exposure is limited to WordPress sites running Erident Custom Login and Dashboard before 3.5.9. The attack path requires authenticated high-privilege access, so public unauthenticated exposure is not supported by the provided sources.
Exploitation context
The source bundle does not show CISA KEV listing or active exploitation evidence. The realistic concern is abuse after compromise of a privileged WordPress account or misuse by a trusted high-privilege user.
Researcher notes
The evidence names authenticated stored XSS in plugin settings before 3.5.9 and notes bypass of disabled unfiltered_html protections. CVSS is not provided in the bundle, and no public exploitation signal is cited here.
Mitigation direction
- Update Erident Custom Login and Dashboard to 3.5.9 or later.
- Review vendor and WordPress plugin guidance before relying on other mitigations.
- Restrict administrator-level access to trusted users only.
- Remove unused or unnecessary high-privilege WordPress accounts.
- Audit plugin settings for unexpected script-like content.
Validation and detection
- Inventory WordPress sites using this plugin.
- Confirm installed plugin versions are 3.5.9 or later.
- Review privileged account lists and recent account changes.
- Check plugin settings change history where available.
- Confirm no unexpected labels, scripts, or markup remain in settings.
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-2021-24658 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/ec70f02b-02a1-4511-949e-68f2d9d37ca8CVE reference · x_refsource_MISC
- https://plugins.trac.wordpress.org/changeset/2507516CVE reference · x_refsource_CONFIRM
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.