What’s Vulnerable › Vulnerabilities

CVE-2021-3337

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 11.6% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2021-01-28 · updated 2026-06-17
• Weakness: CWE-863

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.

Affected products

• Hide Thread Content Project Hide Thread Content: 1.0

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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