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PatchSiren cyber security CVE debrief

CVE-2021-47975 Wordpress CVE debrief

CVE-2021-47975 describes a stored cross-site scripting issue in WP Learn Manager 1.1.2. The supplied record says attacker-supplied content in the fieldtitle parameter can be posted to the jslm_fieldordering page and later execute in an administrator’s browser when the field ordering interface is viewed.

Vendor
Wordpress
Product
Unknown
CVSS
MEDIUM 5.1
CISA KEV
Not listed in stored evidence
Original CVE published
2026-05-16
Original CVE updated
2026-05-16
Advisory published
2026-05-16
Advisory updated
2026-05-16

Who should care

WordPress site owners, administrators, and security teams running WP Learn Manager 1.1.2 should treat this as relevant, especially where untrusted users can influence plugin-managed form fields or where administrators regularly review the field ordering interface.

Technical summary

The supplied description identifies a stored XSS condition in the WP Learn Manager plugin. Malicious script content is accepted via the fieldtitle parameter on the jslm_fieldordering page and is then rendered back in the admin-facing field ordering interface, creating a browser-side code execution risk when an administrator views the stored payload. The NVD record maps the issue to CWE-79.

Defensive priority

Medium priority. Stored XSS in an admin-facing workflow can lead to session compromise, forced actions, or credential theft if malicious content is rendered in the browser, so affected installations should be reviewed promptly.

Recommended defensive actions

  • Inventory WordPress sites for WP Learn Manager 1.1.2 and any other installed versions noted by your environment.
  • Check whether the plugin is still needed; remove or disable it if it is not required.
  • Apply the vendor’s fix or upgrade path if a patched release is available from the plugin maintainers.
  • Review the field ordering interface and related admin views for unsafe output encoding or reflected stored content.
  • Restrict who can submit or modify plugin-managed fields and limit administrator exposure to untrusted content.
  • Search for suspicious script content in stored fieldtitle values and review recent admin activity for signs of browser-side abuse.

Evidence notes

The supplied source corpus includes the NVD record for CVE-2021-47975, which marks the issue as received and maps it to CWE-79. The record’s description states that WP Learn Manager 1.1.2 has a stored XSS issue involving the fieldtitle parameter and the jslm_fieldordering page. Supporting references in the corpus point to the WordPress plugin page, the plugin’s site, a VulnCheck advisory, and an Exploit-DB entry. The corpus does not provide a verified fixed version or broader impact details beyond the stored XSS description and CVSS 5.1 medium severity.

Official resources

The supplied CVE/NVD record timestamps are 2026-05-16, which should be treated as record metadata rather than the original flaw introduction date. The corpus does not provide the first disclosure date or a verified patch release date.