MIR blocks and shortcodes <= 1.0.0 - Authenticated (Contributor+) Stored Cross-Site Scripting via Shortcode Attributes
13Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 6.4epss 0.2%
exploitation probability
0.2%top 92% of all CVEs
observed exploitation
nono source reports it
The MIR blocks and shortcodes plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'title' attribute (and other attributes such as 'ready_animation_text') of the 'msc_stats' shortcode in versions up to, and including, 1.0.0. This is due to insufficient input sanitization and output escaping on user supplied shortcode attributes inside the msc_stats() rendering function. 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.
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N
Affected products
mirsoftware · MIR blocks and shortcodesReferences
https://plugins.trac.wordpress.org/browser/mir-blocks-and-shortcodes/trunk/frontend-templates/function/msc-stats.php#L22https://plugins.trac.wordpress.org/browser/mir-blocks-and-shortcodes/trunk/frontend-templates/function/msc-stats.php#L44https://www.wordfence.com/threat-intel/vulnerabilities/id/d7d698be-fae6-4960-912a-1078ea407031?source=cve