Security readout for executives and security teams
Plain-English summary
Easy Social Icons for WordPress through 3.0.8 can reflect unsafe request-path data into a page. If a user follows a crafted link, script may run in that user's browser. Business risk is mainly account/session abuse, phishing inside the trusted site, or content manipulation, not direct server takeover.
Executive priority
Treat as a routine but time-bound web exposure issue. It is not evidenced as actively exploited, but affected public WordPress sites can expose users to browser-side compromise through social engineering. Remediate during the next security maintenance window, sooner for high-traffic or administrator-facing sites.
Technical view
The plugin echoes raw $_SERVER['PHP_SELF'] in its main file. On configurations such as Apache with modPHP, request-path injection can produce reflected cross-site scripting. CVSS 3.1 is 6.1, network exploitable, low complexity, no privileges required, user interaction required, scope changed, with low confidentiality and integrity impact.
Likely exposure
Exposure is limited to WordPress sites using Easy Social Icons version 3.0.8 or earlier, especially configurations where PHP_SELF includes attacker-controlled path data. Sites not running this plugin, or not using affected configurations, are not shown as affected by the provided sources.
Exploitation context
The bundle does not show CISA KEV listing or active exploitation evidence. Exploitation requires convincing a user to open a crafted URL and depends on server behavior. The practical risk rises for administrator users because browser-executed script could act with their web session privileges.
Researcher notes
Source evidence identifies CWE-79 reflected XSS caused by unsanitized PHP_SELF output. The sources do not provide exploit telemetry, a CISA KEV signal, CPEs, or a confirmed fixed version in the supplied bundle. Avoid assuming broader WordPress or plugin-family impact beyond Easy Social Icons through 3.0.8.
Mitigation direction
- Inventory WordPress sites for Easy Social Icons version 3.0.8 or earlier.
- Check vendor or WordPress plugin guidance for a supported update or remediation.
- Disable or remove the plugin where it is not business-critical.
- Prioritize remediation on externally reachable sites with administrator users.
Validation and detection
- Confirm plugin presence and version from WordPress administration or asset inventory.
- Review server stack for configurations where PHP_SELF may include path input.
- Check security advisories for any vendor-stated fixed version or mitigation.
- Review web logs for unusual requests targeting plugin paths.
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-2021-39322 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
- 6.1 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:N/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:N/UI:R/S:C/C:L/I:L/A:N2.82.7Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
6.1MediumVector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Source materials
- CVE List V5 sourceCVE List V5
- https://wpvulndb.com/vulnerabilities/5e0bf0b6-9809-426b-b1d4-1fb653083b58CVE reference · x_refsource_MISC
- https://www.wordfence.com/vulnerability-advisories/#CVE-2021-39322CVE 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.