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CVE-2023-22621

76
FAUCET Score

CVE-2023-22621 is a Server-Side Template Injection (SSTI) vulnerability affecting Strapi versions up to 4.5.5, allowing authenticated attackers to execute arbitrary code. With a CVSS score of 7.2 (HIGH), this vulnerability can lead to complete compromise of confidentiality, integrity, and availability, requiring high privileges but no user interaction. While not currently listed on CISA's KEV catalog, exploit templates exist for Nuclei, indicating readily available proof-of-concept code, though there is minimal public discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
>= 3.0.0, < 4.5.6CPE matchmatch criteria
cpe:2.3:a:strapi:strapi:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

7.2HIGH

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
HIGH
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
1.2
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
76.83%
Probability of exploitation in next 30 days
EPSS Percentile
99.5%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
Nuclei: CVE-2023-22621 · Sep 3, 2024
This CVE's current EPSS score of 0.7682 is in the 99th percentile among its peer group of 5,538 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.3 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

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 (2)

npmpatch availablevia ghsa
Product: @strapi/plugin-users-permissionsFixed in: 4.5.6
npmpatch availablevia ghsa
Product: @strapi/plugin-emailFixed in: 4.5.6

Vendor Advisories (1)

npmGHSA-2h87-4q2w-v4hfcritical

Strapi plugins vulnerable to Server-Side Template Injection and Remote Code Execution in the Users-Permissions Plugin

Apr 19, 2023

References

github.com / strapi/strapi/releases
Release Notes
strapi.io / blog/security-disclosure-of-vulnerabilities-cve
Vendor Advisory
ghostccamm.com / blog/multi_strapi_vulns
ExploitThird Party Advisory