Chained Quiz <= 1.3.5 - Unauthenticated Insecure Direct Object Reference via Cookie
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | ||||||
|---|---|---|---|---|---|---|---|---|---|
| prasunsen | Chained Quiz | unaffected |
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No data.
No data.
| Vendor | Product | Versions |
|---|---|---|
| Wordpress | Wordpress | — |
| Source | ID | Title |
|---|---|---|
EUVD |
EUVD-2025-29846 | The Chained Quiz plugin for WordPress is vulnerable to Insecure Direct Object Reference in version 1.3.4 and below via the quiz submission and completion mechanisms due to missing validation on a user controlled key. This makes it possible for unauthenticated attackers to hijack and modify other users' quiz attempts by manipulating the chained_completion_id cookie value, allowing them to alter quiz answers, scores, and results of any user. The vulnerability was partially patched in versions 1.3.4 and 1.3.5. |
No CVSS v4.0
No CVSS v3.0
No CVSS v2
This CVE is not in the KEV list.
Exploit prediction score: < 1% (0.916% probability within 30 days)
| Type | Values Removed | Values Added |
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| Metrics |
ssvc
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| Type | Values Removed | Values Added |
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| First Time appeared |
Wordpress
Wordpress wordpress |
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| Vendors & Products |
Wordpress
Wordpress wordpress |
| Type | Values Removed | Values Added |
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| Description | The Chained Quiz plugin for WordPress is vulnerable to Insecure Direct Object Reference in version 1.3.4 and below via the quiz submission and completion mechanisms due to missing validation on a user controlled key. This makes it possible for unauthenticated attackers to hijack and modify other users' quiz attempts by manipulating the chained_completion_id cookie value, allowing them to alter quiz answers, scores, and results of any user. The vulnerability was partially patched in versions 1.3.4 and 1.3.5. | |
| Title | Chained Quiz <= 1.3.5 - Unauthenticated Insecure Direct Object Reference via Cookie | |
| Weaknesses | CWE-639 | |
| References |
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| Metrics |
cvssV3_1
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