Is CVE-2021-27330 in the CISA KEV catalog?

No. CVE-2021-27330 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2021-27330?

CVE-2021-27330 has a CVSS v3 base score of 6.1 (MEDIUM).

What is the EPSS score for CVE-2021-27330?

CVE-2021-27330 has an EPSS score of 6.20% (93th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2021-27330?

Upgrade datepicker calendar to 3.77 or later.

CVE & CISA-KEV Catalog

CVE-2021-27330

MEDIUMEPSS 93th pctl

6.1

CVSS v3

NVD

Description

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.

CWE-79Cross-Site Scripting (XSS)

How to fix

Remediation Available

datepicker calendarNVD

Affected:< 3.77Fixed in:3.77CVE-2021-27330derived from NVD

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionRequired

ScopeChanged

Impact

ConfidentialityLow

IntegrityLow

AvailabilityNone

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Exploit Intelligence

6.20%probability of exploitation in 30 days

93rdpercentile

High risk: more likely to be exploited than 93% of all known CVEs.

References

Exploit2

Product2

Related Vulnerabilities

Other CWE-79 (Cross-Site Scripting (XSS)) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2020-11022	Medium	6.9	99%	-	Fix
CVE-2019-3929	Critical	9.8	99%	KEV	Fix
CVE-2020-9496	Medium	6.1	99%	-	-
CVE-2023-28341	Medium	6.1	99%	-	Fix
CVE-2018-12998	Medium	6.1	98%	-	-
CVE-2025-4123	High	7.6	98%	-	Fix

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.