🛡️ CVE-2022-21715 — codeigniter

How this vulnerability can be exploited

This issue can be reached over the network, attack complexity is low, an attacker needs no privileges on the target. A user must be tricked into taking some action. The scope is unchanged, so the impact stays within the vulnerable component. Rated impact: confidentiality low, integrity low, availability none.

CVSS metrics in full

The score comes from this vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N

• Attack vector: Network — reachable from anywhere that can route to the service.
• Attack complexity: Low — the attack works reliably, with no preparation.
• Privileges required: None — an unauthenticated stranger can try it.
• User interaction: Required — someone has to click, open or visit something.
• Scope: Unchanged — the damage stays inside the vulnerable component.
• Confidentiality impact: Low — limited, and the attacker does not choose what is affected.
• Integrity impact: Low — limited, and the attacker does not choose what is affected.
• Availability impact: None.

Weakness class

CVE-2022-21715 is classified as CWE-79: Cross-site Scripting (XSS). User-supplied data is written into a page without escaping, so attacker script runs in the browser of anyone who views it.

Affected software

CVE-2022-21715 is recorded against 2 packages.

• codeigniter
• codeigniter4/framework (fixed in 4.1.8)

Timeline and source

Published on 6 March 2024 and last revised on 17 June 2026. No public exploit is currently recorded for this entry. A vendor advisory or fix has been published. Record sourced from OSV.

References

codeigniter4.github.io (Web)
github.com (Web)
github.com (Web)

Other advisories for this package

codeigniter has other advisories on record. If you are patching this one, these are worth checking on the same host:

• CVE-2025-54418 (9.8 Critical, published 28 Jul 2025)
• CVE-2025-24013 (5.3 Medium, published 20 Jan 2025)
• CVE-2024-41344 (7.5 High, published 15 Oct 2024)
• CVE-2024-29904 (7.5 High, published 29 Mar 2024)
• CVE-2022-23556 (8.0 High, published 6 Mar 2024)
• CVE-2023-46240 (8.0 High, published 6 Mar 2024)
• CVE-2022-21647 (9.5 Critical, published 6 Mar 2024)
• CVE-2023-32692 (9.5 Critical, published 6 Mar 2024)

Same weakness in other software

These advisories are the same class of weakness (CWE-79: Cross-site Scripting (XSS)) in other software:

• CVE-2017-1000482 (published 9 Jul 2026)
• CVE-2011-4924 (published 9 Jul 2026)
• CVE-2021-3988 (published 7 Jul 2026)
• CVE-2017-20182 (published 7 Jul 2026)
• CVE-2018-25045 (published 6 Jul 2026)
• CVE-2013-2209 (published 6 Jul 2026)
• CVE-2014-0157 (published 6 Jul 2026)
• CVE-2017-1000426 (published 6 Jul 2026)

Details

Affected Packages

References