How severe is CVE-2022-27503?

CVE-2022-27503 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-2022-27503 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (37th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-27503?

CVE-2022-27503 primarily affects Citrix Storefront Server. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2022-27503?

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

When was CVE-2022-27503 published?

CVE-2022-27503 was published on 2022-04-13 and last updated on 2026-06-17.

CVE-2022-27503

CVE-2022-27503 is a medium-severity vulnerability in Citrix Storefront Server with a CVSS 3.x base score of 6.1. 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: Medium (CVSS 3.x base score 6.1)
CVSS v2: 2.6
EPSS exploit prediction: 0% (37th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Citrix Storefront Server
Published: 2022-04-13
Last modified: 2026-06-17

Description

Cross-site Scripting (XSS) vulnerability in Citrix StoreFront affects version 1912 before CU5 and version 3.12 before CU9

Frequently asked questions

What is CVE-2022-27503?: Cross-site Scripting (XSS) vulnerability in Citrix StoreFront affects version 1912 before CU5 and version 3.12 before CU9
How severe is CVE-2022-27503?: CVE-2022-27503 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-2022-27503 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (37th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-27503?: CVE-2022-27503 primarily affects Citrix Storefront Server. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2022-27503?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2022-27503 published?: CVE-2022-27503 was published on 2022-04-13 and last updated on 2026-06-17.

References

https://support.citrix.com/article/CTX377814

Affected products (2)

cpe:2.3:a:citrix:storefront_server:*:*:*:*:*:*:*:*
cpe:2.3:a:citrix:storefront_server:*:*:*:*:ltsr:*:*:*

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