CVE-2026-5341

The NMR Strava activities plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's `strava_nmr_connect` shortcode in all versions up to, and including, 1.0.14 due to insufficient input sanitization and output escaping on user supplied attributes. This makes it possible for authenticated attackers, with contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

Score

CVSS 3.1 6.4 Medium

Status

Deferred - security@wordfence.com

Published

2026-05-08

Last modified

2026-05-08

Weaknesses

CWE-79

Affected products

• Nmr Strava Activities (Mirceatm)

References

• https://plugins.trac.wordpress.org/browser/nmr-strava-activities/tags/1.0.14/nmr-strava-activities.php#L247
• https://plugins.trac.wordpress.org/browser/nmr-strava-activities/tags/1.0.14/nmr-strava-activities.php#L259
• https://plugins.trac.wordpress.org/browser/nmr-strava-activities/tags/1.0.15/nmr-strava-activities.php#L240
• https://plugins.trac.wordpress.org/browser/nmr-strava-activities/tags/1.0.15/nmr-strava-activities.php#L251
• https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&new=3524779%40nmr-strava-activities%2Ftrun…
• https://www.wordfence.com/threat-intel/vulnerabilities/id/7e033919-ca00-4789-8635-b4189e1499ef?source=cve