CVE-2021-27889
23Vexday Risk Score
No sign of exploitation. It has a public proof of concept.
ssvc Attendepss 5.1%
from disclosure to weapon7 days
Published on NVDMar 15
1st PoC+7d
exploitation probability
5.1%top 8% of all CVEs
observed exploitation
nono source reports it
2 public exploit(s)
Cross-site Scripting (XSS) vulnerability in MyBB before 1.8.26 via Nested Auto URL when parsing messages.
Affected products
n/a · n/apublic PoCs found — 2
exploitdbwww.exploit-db.com/exploits/49696unverifiedcve_referencepacketstormsecurity.com/files/161908/MyBB-1.8.25-Remote-Command-Execution.htmlunverified⚠ Public resources, to assess the exposure of systems you control or are authorized to test. Test only with authorization.