Contao: The registration module re-sends activation mails on any unauthenticated POST, with no throttle and no captcha check
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
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| contao | contao | affected |
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| Contao | Contao |
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| Source | ID | Title |
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Github GHSA |
GHSA-mfxh-vp55-7gc6 | Contao: The registration module re-sends activation mails |
No CVSS v4.0
No CVSS v3.0
No CVSS v2
This CVE is not in the KEV list.
Exploit prediction score: < 1% (0.270% probability within 30 days)
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| Metrics |
ssvc
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| First Time appeared |
Contao
Contao contao |
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| Vendors & Products |
Contao
Contao contao |
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| Description | Contao is an Open Source CMS. From version 4.1.0 until 5.3.50 and 5.7.12, ModuleRegistration::compile() enters its follow-up registration branch on any POST to a page containing the registration module without verifying FORM_SUBMIT or the preceding captcha result. resendActivationMail() can then invoke OptInToken::send() without rate limiting, allowing an unauthenticated attacker to cause repeated activation emails to be sent to an address with a pending registration and to determine whether that pending registration exists. The branch is reachable only when reg_activate is enabled and the target has an unconfirmed registration and opt-in token. This issue is fixed in versions 5.3.50 and 5.7.12. | |
| Title | Contao: The registration module re-sends activation mails on any unauthenticated POST, with no throttle and no captcha check | |
| Weaknesses | CWE-204 CWE-770 |
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| References |
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| Metrics |
cvssV3_1
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