THREATPORT/VULNERABILITY/CVE-2021-27330
MEDIUM SEVERITY

CVE-2021-27330

Datepicker Calendar vulnerability

CVSS
6.1
EPSS
6.2%
EPSS pct
93th
Exploited
No known
Triconsole Datepicker Calendar <3.77 is affected by cross-site scripting (XSS) in calendar_form.php. Attackers can read authentication cookies that are still active, which can be used to perform further attacks such as reading browser history, directory listings, and file contents.
Affected vendor
Triconsole
Affected product
Datepicker Calendar
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Weakness type (CWE)
  • CWE-79 — Cross-Site Scripting (XSS)
Published
2021-02-25

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, low attack complexity, requiring no privileges, user interaction. Successful exploitation leads to low impact to confidentiality, low impact to integrity.

Its EPSS score of 6.2% reflects a lower probability of exploitation activity in the wild over the next 30 days, placing it above 93% of all scored CVEs.

Check your external exposure to CVE-2021-27330

  • Confirm whether Triconsole Datepicker Calendar is running on any internet-facing host or subdomain.
  • Match discovered service fingerprints against the version affected by CVE-2021-27330.
  • Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2021-27330

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2021-27330 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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