How severe is CVE-2021-33351?

CVE-2021-33351 has a CVSS 3.x base score of 9.0, rated critical severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2021-33351 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (60th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-33351?

CVE-2021-33351 affects Wyomind Help Desk. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-33351?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2021-33351 published?

CVE-2021-33351 was published on 2023-03-08 and last updated on 2026-06-17.

CVE-2021-33351

CVE-2021-33351 is a critical-severity vulnerability in Wyomind Help Desk with a CVSS 3.x base score of 9.0. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-79.

Key facts

Severity: Critical (CVSS 3.x base score 9.0)
EPSS exploit prediction: 1% (60th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Wyomind Help Desk
Published: 2023-03-08
Last modified: 2026-06-17

Description

Cross Site Scripting Vulnerability in Wyomind Help Desk Magento 2 extension v.1.3.6 and before and fixed in v.1.3.7 allows attackers to escalte privileges via a crafted payload in the ticket message field.

Frequently asked questions

What is CVE-2021-33351?: Cross Site Scripting Vulnerability in Wyomind Help Desk Magento 2 extension v.1.3.6 and before and fixed in v.1.3.7 allows attackers to escalte privileges via a crafted payload in the ticket message field.
How severe is CVE-2021-33351?: CVE-2021-33351 has a CVSS 3.x base score of 9.0, rated critical severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2021-33351 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (60th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-33351?: CVE-2021-33351 affects Wyomind Help Desk. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-33351?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2021-33351 published?: CVE-2021-33351 was published on 2023-03-08 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:wyomind:help_desk:*:*:*:*:*:magento_2:*:*

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