CVE-2020-36853

CVE-2020-36853 is a high-severity vulnerability with a CVSS 3.x base score of 7.2. 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

The 10WebMapBuilder plugin for WordPress is vulnerable to Stored Cross-Site Scripting via Plugin Settings Change in versions up to, and including, 1.0.63 due to insufficient input sanitization and output escaping and a lack of capability checks. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

Frequently asked questions

What is CVE-2020-36853?
The 10WebMapBuilder plugin for WordPress is vulnerable to Stored Cross-Site Scripting via Plugin Settings Change in versions up to, and including, 1.0.63 due to insufficient input sanitization and output escaping and a lack of capability checks. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.
How severe is CVE-2020-36853?
CVE-2020-36853 has a CVSS 3.x base score of 7.2, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2020-36853 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (27th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2020-36853?
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.
Does CVE-2020-36853 have an EU (EUVD) identifier?
Yes. CVE-2020-36853 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2020-30803.
When was CVE-2020-36853 published?
CVE-2020-36853 was published on 2025-10-18 and last updated on 2026-06-17.

References

Other CWE-79 (Cross-site Scripting (XSS)) vulnerabilities

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