Is CVE-2023-31285 in the CISA KEV catalog?

No. CVE-2023-31285 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2023-31285?

CVE-2023-31285 has a CVSS v3 base score of 6.1 (MEDIUM).

What is the EPSS score for CVE-2023-31285?

CVE-2023-31285 has an EPSS score of 0.78% (52th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2023-31285?

Upgrade serene to 6.7.0 or later. Fixes are available for 2 affected products.

CVE & CISA-KEV Catalog

CVE-2023-31285

MEDIUM

6.1

CVSS v3

NVD

Description

An XSS issue was discovered in Serenity Serene (and StartSharp) before 6.7.0. When users upload temporary files, some specific file endings are not allowed, but it is possible to upload .html or .htm files containing an XSS payload. The resulting link can be sent to an administrator user.

CWE-79Cross-Site Scripting (XSS)

How to fix

Remediation Available

sereneNVD

Affected:< 6.7.0Fixed in:6.7.0CVE-2023-31285derived from NVD

startsharpNVD

Affected:< 6.7.0Fixed in:6.7.0CVE-2023-31285derived 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

0.78%probability of exploitation in 30 days

52ndpercentile

Moderate risk: more likely to be exploited than 52% of all known CVEs.

References

Patch1

github.com

Other references2

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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HTML

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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 2025-01-31.