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CVE-2022-27503

22
FAUCET Score

CVE-2022-27503 is a Cross-site Scripting (XSS) vulnerability impacting Citrix StoreFront versions 1912 before CU5 and 3.12 before CU9. This medium-severity vulnerability (CVSS 6.1) can be exploited remotely with low complexity, requiring user interaction, and could lead to low impact on confidentiality and integrity. While no active exploitation or public exploit code (Metasploit, Nuclei, ExploitDB) has been identified, the vulnerability has garnered some community discussion and media coverage, indicating awareness within the security community.

Impacted Technologies

VendorProductVersion(s)CPE
>= 3.12, < 3.12.9000CPE matchmatch criteria
cpe:2.3:a:citrix:storefront_server:*:*:*:*:*:*:*:*
>= 1912, < 1912.0.5000CPE matchmatch criteria
cpe:2.3:a:citrix:storefront_server:*:*:*:*:ltsr:*:*:*

CVSS Data

CVSS version used by this source: 3.1

6.1MEDIUM

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality Impact
LOW
Integrity Impact
LOW
Availability Impact
NONE
Exploitability Score
2.8
Impact Score
2.7
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.47%
Probability of exploitation in next 30 days
EPSS Percentile
37.8%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
This CVE's current EPSS score of 0.0047 is in the 40th percentile among its peer group of 26,219 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (1)

citrixpatch availablevia nvd_reference
View patch

References

support.citrix.com / article/CTX377814
PatchVendor Advisory