How severe is CVE-2021-41951?

CVE-2021-41951 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2021-41951 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 78% (100th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-41951?

CVE-2021-41951 primarily affects Montala Resourcespace. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2021-41951?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2021-41951 published?

CVE-2021-41951 was published on 2021-11-15 and last updated on 2026-06-17.

CVE-2021-41951

CVE-2021-41951 is a medium-severity vulnerability in Montala Resourcespace with a CVSS 3.x base score of 6.1. Its EPSS exploit-prediction score of 78% places it in the 100th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-79.

Key facts

Severity: Medium (CVSS 3.x base score 6.1)
CVSS v2: 4.3
EPSS exploit prediction: 78% (100th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Montala Resourcespace
Published: 2021-11-15
Last modified: 2026-06-17

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.

Frequently asked questions

What is CVE-2021-41951?: 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.
How severe is CVE-2021-41951?: CVE-2021-41951 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2021-41951 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 78% (100th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-41951?: CVE-2021-41951 primarily affects Montala Resourcespace. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2021-41951?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2021-41951 published?: CVE-2021-41951 was published on 2021-11-15 and last updated on 2026-06-17.

References

https://www.horizon3.ai/multiple-vulnerabilities-in-resourcespace/

Affected products (2)

cpe:2.3:a:montala:resourcespace:*:*:*:*:*:*:*:*
cpe:2.3:a:montala:resourcespace:9.6:-:*:*:*:*:*:*

More vulnerabilities in Montala Resourcespace

CVE-2021-41765 — Critical (CVSS 9.8): A SQL injection issue in pages/edit_fields/9_ajax/add_keyword.php of ResourceSpace 9.5 and 9.6 < rev 18274 allows…
CVE-2021-41950 — Critical (CVSS 9.1): A directory traversal issue in ResourceSpace 9.6 before 9.6 rev 18277 allows remote unauthenticated attackers to delete…
CVE-2019-25662 — High (CVSS 8.2): ResourceSpace 8.6 contains an SQL injection vulnerability that allows unauthenticated attackers to execute arbitrary…
CVE-2015-6915 — High (CVSS 7.5): SQL injection vulnerability in Montala Limited ResourceSpace 7.3.7009 and earlier allows remote attackers to execute…
CVE-2015-3648 — High (CVSS 7.5): Directory traversal vulnerability in pages/setup.php in Montala Limited ResourceSpace before 7.2.6727 allows remote…
CVE-2019-25693 — High (CVSS 7.1): ResourceSpace 8.6 contains an SQL injection vulnerability that allows authenticated attackers to execute arbitrary SQL…

All CVEs affecting Montala Resourcespace →

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