Security readout for executives and security teams
Plain-English summary
A WordPress site using the eID Easy plugin through version 4.6 could reflect attacker-controlled script in a plugin error value. Successful abuse could run script in a user’s browser session, potentially exposing page data or causing limited unauthorized actions.
Executive priority
Treat this as a moderate WordPress application risk. It is not documented as actively exploited in the provided sources, but affected public WordPress sites should be identified and remediated during normal vulnerability SLAs.
Technical view
CVE-2021-34650 is a reflected cross-site scripting issue in eID Easy for WordPress, reported via the error parameter in admin.php. The CVSS 3.1 score is 5.4, with network access, low attack complexity, low privileges, required user interaction, changed scope, and low confidentiality and integrity impact.
Likely exposure
Exposure is limited to WordPress installations running eID Easy versions up to and including 4.6. The CVSS vector indicates exploitation requires a logged-in attacker and user interaction, reducing broad unauthenticated internet risk.
Exploitation context
The provided sources do not show CISA KEV listing or confirmed active exploitation. The issue is reflected XSS, so realistic abuse depends on inducing an authenticated user interaction in an affected WordPress context.
Researcher notes
Evidence supports reflected XSS in eID Easy through version 4.6, tied to admin.php and the error parameter. The bundle does not identify a fixed version, confirmed exploitation, or vendor mitigation beyond advisory references.
Mitigation direction
- Inventory WordPress sites for the eID Easy plugin and installed version.
- Check vendor or Wordfence guidance for a fixed release before updating.
- Disable the plugin temporarily if no fixed release is available or needed.
- Restrict WordPress administrative access to trusted users only.
- Prioritize remediation on public-facing or business-critical WordPress sites.
Validation and detection
- Confirm whether eID Easy is installed on each WordPress instance.
- Verify whether the installed plugin version is 4.6 or earlier.
- Review plugin code or release notes for escaping of the error parameter.
- Check application logs for suspicious requests to the plugin admin path.
- Record findings by site, plugin version, and remediation status.
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-2021-34650 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
- Medium
- CVSS
- 5.4 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
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 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:L/UI:R/S:C/C:L/I:L/A:N2.32.7Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
5.4MediumVector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
Source materials
- CVE List V5 sourceCVE List V5
- https://www.wordfence.com/vulnerability-advisories/#CVE-2021-34650CVE reference · x_refsource_MISC
- https://plugins.trac.wordpress.org/browser/smart-id/trunk/admin.php?rev=2451347#L30CVE 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.