CVE-2022-21715

mediumpriority · track · 24EPSS 0.010 · 63 %ileEUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

1.00% (63rd) EPSS

CVSS 4.3 · medium

Is it mine?

4 products

Check your exposure

Who says so?

4 sources

cnnvd · enisa_euvd · osv · nvd

EPSS · scored 2026-10-27

CodeIgniter4 is the 4.x branch of CodeIgniter, a PHP full-stack web framework. A cross-site scripting (XSS) vulnerability was found in `API\ResponseTrait` in Codeigniter4 prior to version 4.1.8. Attackers can do XSS attacks if a potential victim is using `API\ResponseTrait`. Version 4.1.8 contains a patch for this vulnerability. There are two potential workarounds available. Users may avoid using `API\ResponseTrait` or `ResourceController` Users may also disable Auto Route and use defined routes only.

cvss

Technical severity, 0–10. One row per scoring source.

6.1

010

base score 0–10 · higher = more severe · hover a vector to decode

v2.04.3mediumAV:N/AC:M/Au:N/C:N/I:P/A:Nprimary · NVD / NIST USexploitability 8.6 · impact 2.9

v3.16.1mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:Nprimary · NVD / NIST USexploitability 2.8 · impact 2.7

v3.15.4mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:Nsecondary · ENISA EU

v3.15.4mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:Nsecondary · security-advisories@github.comexploitability 2.8 · impact 2.5

v3.15.4mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:Nsecondary · OSV

v3.15.6mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N/E:Usecondary · CVSS-BT (t0sche)

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Trackcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-79USprimaryCWE-79US

affected products (4)

Products and version ranges known to be affected.

codeigniter4 CodeIgniter4≤ < 4.1.8enisa_euvdEU
codeigniter codeigniter4.0.0 → 4.1.8nvdUScpe:2.3:a:codeigniter:codeigniter:*:*:*:*:*:*:*:*
Bitnami codeigniter4.0.0 → 4.1.8osvUSpkg:bitnami/codeigniter
Packagist codeigniter4/framework< 4.1.8osvUSpkg:composer/codeigniter4/framework

advisories (2)

Vendor and ecosystem advisories describing this.

GHSA-7528-7jg5-6g62Cross-site Scripting Vulnerability in CodeIgniter42022-01-27ghsa · osvUS
### Impact Cross-Site Scripting (XSS) vulnerability was found in `API\ResponseTrait` in Codeigniter4. Attackers can do XSS attacks if you are using `API\ResponseTrait`. ### Patches Upgrade to v4.1.8 or later. ### Workarounds Do one of the following: 1. Do not use `API\ResponseTrait` nor `ResourceController` 2. Disable Auto Route and [Use Defined Routes Only](https://codeigniter4.github.io/userguide/incoming/routing.html#use-defined-routes-only) ### References - [Cross Site Scripting (XSS) Software Attack | OWASP Foundation](https://owasp.org/www-community/attacks/xss/) ### For more information If you have any questions or comments about this advisory: * Open an issue in [codeigniter4/CodeIgniter4](https://github.com/codeigniter4/CodeIgniter4/issues) * Email us at [SECURITY.md](https://github.com/codeigniter4/CodeIgniter4/blob/develop/SECURITY.md)
BIT-codeigniter-2022-217152024-03-06vendor · osvUS
CodeIgniter4 is the 4.x branch of CodeIgniter, a PHP full-stack web framework. A cross-site scripting (XSS) vulnerability was found in `API\ResponseTrait` in Codeigniter4 prior to version 4.1.8. Attackers can do XSS attacks if a potential victim is using `API\ResponseTrait`. Version 4.1.8 contains a patch for this vulnerability. There are two potential workarounds available. Users may avoid using `API\ResponseTrait` or `ResourceController` Users may also disable Auto Route and use defined routes only.

also known as (5)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd osv nvd NVD CVE.org MITRE

published 2022-01-24modified 2026-06-17

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references (11)

External citations — patches, advisories, analysis.

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