CVE-2022-23598: Reflected XSS vulnerability when rendering error messages in laminas-form
First published: Fri Jan 28 2022(Updated: )
laminas-form is a package for validating and displaying simple and complex forms. When rendering validation error messages via the `formElementErrors()` view helper shipped with laminas-form, many messages will contain the submitted value. However, in laminas-form prior to version 3.1.1, the value was not being escaped for HTML contexts, which could potentially lead to a reflected cross-site scripting attack. Versions 3.1.1 and above contain a patch to mitigate the vulnerability. A workaround is available. One may manually place code at the top of a view script where one calls the `formElementErrors()` view helper. More information about this workaround is available on the GitHub Security Advisory.
Credit: security-advisories@github.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Getlaminas Laminas-form | <2.17.1 | |
| Getlaminas Laminas-form | >=3.0.0<3.0.2 | |
| Getlaminas Laminas-form | =3.1.0 | |
| Fedoraproject Fedora | =34 | |
| Fedoraproject Fedora | =35 |
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Reference Links
- https://getlaminas.org/security/advisory/LP-2022-01
- https://github.com/laminas/laminas-form/commit/43005a3ec4c2292d4f825273768d9b884acbca37
- https://github.com/laminas/laminas-form/security/advisories/GHSA-jq4p-mq33-w375
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/CFF6WJ5I7PSEBRF6I753WKE2BXFBGQXE/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/SLNABVK26CE4PFL57VLY242FW3QY4CPC/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/SLNABVK26CE4PFL57VLY242FW3QY4CPC/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CFF6WJ5I7PSEBRF6I753WKE2BXFBGQXE/
Frequently Asked Questions
What is CVE-2022-23598?
CVE-2022-23598 is a vulnerability in the laminas-form package that allows rendered validation error messages to contain the submitted value.
How can I exploit CVE-2022-23598?
As a user, you cannot directly exploit CVE-2022-23598, but an attacker could potentially use the vulnerability to gain information about the submitted values in validation error messages.
What is the severity of CVE-2022-23598?
The severity of CVE-2022-23598 is medium, with a CVSS score of 6.1.
What software versions are affected by CVE-2022-23598?
Versions up to and including 2.17.1 of Getlaminas Laminas-form, versions 3.0.0 to 3.0.2 of Getlaminas Laminas-form, and version 3.1.0 of Getlaminas Laminas-form are affected. Also, Fedora 34 and Fedora 35 are affected.
How do I fix CVE-2022-23598?
To fix CVE-2022-23598, update to version 3.1.1 or later of Getlaminas Laminas-form package.
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