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cpe:2.3:a:room34:ics_calendar:*:*:*:*:*:*:*:*

part: a version: * update: *

VendorRoom34 (b5ef6c34-64d2-5545-8f90-597e80efe40b)
ProductIcs Calendar (e9e9ed16-95d2-5adf-98f7-3f0cda31ace7)
Edition*
Language*
Software edition*
Target software*
Target hardware*
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Notes

Imported from gcve-enriched-dumps CVE data

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Vulnerability references

IdentifiercpeApplicabilitySubmitteddb.gcve.eu detailsRationale
CVE:CVE-2026-9838 vulnerable 2026-07-29 01:12:09.705309 ICS Calendar <= 12.0.9 - Reflected Cross-Site Scripting via 'htmltagtitle' Parameter
MEDIUM (6.1)
The ICS Calendar plugin for WordPress is vulnerable to Reflected Cross-Site Scripting via the 'htmltagtitle' parameter in all versions up to, and including, 12.0.9 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that execute if they can successfully trick a user into performing an action such as clicking on a link. The vulnerability is reachable via the unauthenticated wp_ajax_nopriv_r34ics_ajax AJAX action, which accepts attacker-controlled js_args values merged over stored shortcode configuration without nonce verification, allowing the htmltagtitle key to bypass the normal shortcode allowlist check.
Published: 2026-07-10T08:30:40.245Z
Updated: 2026-07-10T14:04:31.963Z
Reference links
Imported from gcve-enriched-dumps CVE data

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