Is CVE-2021-23260 in the CISA KEV catalog?

No. CVE-2021-23260 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2021-23260?

CVE-2021-23260 has a CVSS v3 base score of 6.5 (MEDIUM).

What is the EPSS score for CVE-2021-23260?

CVE-2021-23260 has an EPSS score of 0.43% (35th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2021-23260?

Upgrade crafter cms to 3.1.12 or later.

CVE & CISA-KEV Catalog

CVE-2021-23260

MEDIUM

6.5

CVSS v3

NVD

Description

Authenticated users with Site roles may inject XSS scripts via file names that will execute in the browser for this and other users of the same site.

CWE-79Cross-Site Scripting (XSS)

How to fix

Remediation Available

crafter cmsNVD

Affected:>= 3.1.0, < 3.1.12Fixed in:3.1.12CVE-2021-23260derived 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 ComplexityHigh

Privileges RequiredLow

User InteractionRequired

ScopeChanged

Impact

ConfidentialityHigh

IntegrityNone

AvailabilityLow

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

Exploit Intelligence

0.43%probability of exploitation in 30 days

35thpercentile

Low risk: more likely to be exploited than 35% of all known CVEs.

References

Vendor Advisory1

docs.craftercms.org

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.