CVE-2021-3337 EXPLOIT
7.5
HIGH · CVSS 3.1 · EPSS 11.5% (pctl 96)
Patch early
A public exploit exists.
Description
The Hide-Thread-Content plugin through 2021-01-27 for MyBB allows remote attackers to bypass intended content-reading restrictions by clicking on reply or quote in the postbit.
Scoring
| CVSS | 7.5 (HIGH, v3.1) |
|---|---|
| Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N |
| EPSS | 11.47% — more likely to be exploited than 96% of all CVEs |
| Weakness | CWE-863 |
| On CISA KEV | no |
| Public exploit | yes |
| Published | 2021-01-28 |
| Last modified | 2026-06-17 |
Affected (1)
| Vendor | Product |
|---|---|
| hide thread content project | hide thread content |
Public exploits
| Source | Title | Date |
|---|---|---|
| exploit-db | MyBB Hide Thread Content Plugin 1.0 - Information Disclosure | 2021-01-29 |
References
- http://packetstormsecurity.com/files/161185/MyBB-Hide-Thread-Content-1.0-Information-Disclosure.html
- https://github.com/snlbaral/Hide-Thread-Content/issues/1
- http://packetstormsecurity.com/files/161185/MyBB-Hide-Thread-Content-1.0-Information-Disclosure.html
- https://github.com/snlbaral/Hide-Thread-Content/issues/1
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