Cross-site Scripting when rendering error messages in laminas-form
Impact
When rendering validation error messages via the formElementErrors() view helper shipped with laminas-form, many messages will contain the submitted value. However, in vulnerable versions of laminas-form, the value was not being escaped for HTML contexts, which can potentially lead to a Reflected Cross-Site Scripting (XSS) attack.
Patches
The following versions were issued to mitigate the vulnerability:
- 2.17.1
- 3.0.2
- 3.1.1
Workarounds
At the top of a view script where you call the formElementErrors() view helper, place the following code:
use Laminas\Form\ElementInterface;
use Laminas\View\PhpRenderer;
$escapeMessages = function (ElementInterface $formOrElement, PhpRenderer $renderer): void {
$messages = $element->getMessages();
if (! $messages) {
return;
}
$escaped = [];
array_walk_recursive(
$messages,
static function (string $item) use (&$escaped, $renderer): void {
$escaped[] = $renderer->escapeHtml($item);
}
};
$element->setMessages($escaped);
};
Before calling formElementErrors() with a form, fieldset, or element, call the above closure as follows
// Usage with a form
// $this is the view renderer
$escapeMessages($form, $this);
// Usage with a fieldset
// $this is the view renderer
$escapeMessages($fieldset, $this);
// Usage with a form element
// $this is the view renderer
$escapeMessages($element, $this);
For more information
If you have any questions or comments about this advisory:
- Open an issue
- Email us at security@getlaminas.org
Software afectado
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| Plataforma | Paquete | Versiones vulnerables | Corregida en |
|---|---|---|---|
| Paquete de Composer | laminas/laminas-form | >= 3.1.0, < 3.1.1, >= 3.0.0, < 3.0.2, < 2.17.1 | 3.1.1, 3.0.2, 2.17.1 |
Referencias
- https://github.com/laminas/laminas-form/security/advisories/GHSA-jq4p-mq33-w375
- https://nvd.nist.gov/vuln/detail/CVE-2022-23598
- https://github.com/laminas/laminas-form/commit/43005a3ec4c2292d4f825273768d9b884acbca37
- https://getlaminas.org/security/advisory/LP-2022-01
- https://github.com/laminas/laminas-form
- https://github.com/laminas/laminas-form/releases/tag/2.17.1
- 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
- Vector CVSS
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N- Debilidad (CWE)
CWE-79- Plataforma
- Composer
- Paquete
laminas/laminas-form- Publicada
- 28.01.2022
- Actualizado
- 11.10.2026 10:22
Fuentes y licencias
OSV / GitHub Advisory Database - GHSA-jq4p-mq33-w375 - CC BY 4.0
Historial de vulnerabilidades: laminas/laminas-form
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