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CVE-2021-27889

CVE-2021-27889

EPSS 5.1%
Cross-site Scripting (XSS) vulnerability in MyBB before 1.8.26 via Nested Auto URL when parsing messages.
Affected products
n/a · n/a
public PoCs found — 2
cve_referencepacketstormsecurity.com/files/161908/MyBB-1.8.25-Remote-Command-Execution.htmlunverifiedexploitdbwww.exploit-db.com/exploits/49696unverified
⚠ Public resources, to assess the exposure of systems you control or are authorized to test. Test only with authorization.

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References
http://packetstormsecurity.com/files/161908/MyBB-1.8.25-Remote-Command-Execution.htmlhttps://blog.sonarsource.com/mybb-remote-code-execution-chainhttps://github.com/mybb/mybb/security/advisories/GHSA-xhj7-3349-mqcm