Is CVE-2024-6879 in the CISA KEV catalog?

No. CVE-2024-6879 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2024-6879?

CVE-2024-6879 has a CVSS v3 base score of 4.7 (MEDIUM).

What is the EPSS score for CVE-2024-6879?

CVE-2024-6879 has an EPSS score of 0.41% (33th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2024-6879?

Upgrade quiz and survey master to 9.1.1 or later.

CVE & CISA-KEV Catalog

CVE-2024-6879

MEDIUM

4.7

CVSS v3

NVD

Description

The Quiz and Survey Master (QSM) WordPress plugin before 9.1.1 fails to validate and escape certain Quiz fields before displaying them on a page or post where the Quiz is embedded, which could allows contributor and above roles to perform Stored Cross-Site Scripting (XSS) attacks.

CWE-79Cross-Site Scripting (XSS)

How to fix

Remediation Available

quiz and survey masterNVD

Affected:< 9.1.1Fixed in:9.1.1CVE-2024-6879derived 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

ConfidentialityNone

IntegrityLow

AvailabilityNone

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

Exploit Intelligence

0.41%probability of exploitation in 30 days

33rdpercentile

Low risk: more likely to be exploited than 33% of all known CVEs.

References

Exploit1

wpscan.com

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 2025-05-17.