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CVE-2022-35943

26
FAUCET Score

CVE-2022-35943 is a high-severity vulnerability affecting CodeIgniter Shield, an authentication and authorization framework for CodeIgniter 4. It allows SameSite attackers to bypass CodeIgniter4's Cross-Site Request Forgery (CSRF) protection mechanism. The attack requires the attacker to control a subdomain of the target site. With a CVSS score of 8.8, this vulnerability has a high impact on confidentiality, integrity, and availability. There is no evidence of active exploitation, publicly available exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
< 4.2.3CPE matchmatch criteria
cpe:2.3:a:codeigniter:codeigniter:*:*:*:*:*:*:*:*
1.0.0CPE matchmatch criteria
cpe:2.3:a:codeigniter:shield:1.0.0:beta:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

5.9MEDIUM

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

Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
HIGH
Availability Impact
LOW
Exploitability Score
1.6
Impact Score
4.2
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.48%
Probability of exploitation in next 30 days
EPSS Percentile
38.9%
Percentile rank of EPSS score among Peer Group
As of 2026-07-26
Model: v2026.06.15
This CVE's current EPSS score of 0.0048 is in the 41st percentile among its peer group of 14,848 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.2 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.1 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (2)

composerpatch availablevia ghsa
Product: codeigniter4/shieldFixed in: 1.0.0-beta.2
github_advisoryworkaround availablevia nvd_reference
View patch

Vendor Advisories (1)

composerGHSA-5hm8-vh6r-2cjqmedium

CodeIgniter Shield Vulnerable to SameSite Attackers Bypassing the CSRF Protection

Aug 18, 2022

References

codeigniter4.github.io / userguide/libraries/security.htm
Broken Link
developer.mozilla.org / en-US/docs/Web/HTTP/Headers/Set-Cookie/SameSite
Third Party Advisory
github.com / codeigniter4/shield/security/advisories/GHSA-5hm8-vh6r-2cjq
ExploitMitigationThird Party Advisory
jub0bs.com / posts/2021-01-29-great-samesite-confusion
Third Party Advisory