Is CVE-2021-41951 in the CISA KEV catalog?

No. CVE-2021-41951 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2021-41951?

CVE-2021-41951 has a CVSS v3 base score of 6.1 (MEDIUM).

What is the EPSS score for CVE-2021-41951?

CVE-2021-41951 has an EPSS score of 77.89% (100th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2021-41951?

Upgrade resourcespace to 9.6 or later.

CVE & CISA-KEV Catalog

CVE-2021-41951

MEDIUMEPSS 100th pctl

6.1

CVSS v3

NVD

Description

ResourceSpace before 9.6 rev 18290 is affected by a reflected Cross-Site Scripting vulnerability in plugins/wordpress_sso/pages/index.php via the wordpress_user parameter. If an attacker is able to persuade a victim to visit a crafted URL, malicious JavaScript content may be executed within the context of the victim's browser.

CWE-79Cross-Site Scripting (XSS)

How to fix

Remediation Available

resourcespaceNVD

Affected:< 9.6Fixed in:9.6CVE-2021-41951derived from NVD

TridentStack Control can deploy fixes like this automatically across your Windows, macOS, and Linux fleet. See how it works

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

77.89%probability of exploitation in 30 days

100thpercentile

Very high risk: more likely to be exploited than 100% of all known CVEs.

References

Exploit1

horizon3.ai

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.