CVE-2021-26636

CVE-2021-26636 is a high-severity vulnerability in Maxb Maxboard with a CVSS 3.x base score of 8.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-79.

Key facts

Description

Stored XSS and SQL injection vulnerability in MaxBoard could lead to occur Remote Code Execution, which could lead to information exposure and privilege escalation.

Frequently asked questions

What is CVE-2021-26636?
Stored XSS and SQL injection vulnerability in MaxBoard could lead to occur Remote Code Execution, which could lead to information exposure and privilege escalation.
How severe is CVE-2021-26636?
CVE-2021-26636 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2021-26636 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (69th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-26636?
CVE-2021-26636 affects Maxb Maxboard. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-26636?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2021-26636 published?
CVE-2021-26636 was published on 2022-06-23 and last updated on 2026-06-17.

References

Affected products (1)

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