CVE-2020-28459

CVE-2020-28459 is a high-severity vulnerability in Markdown-it-decorate Project Markdown-it-decorate with a CVSS 3.x base score of 7.3. 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

This affects all versions of package markdown-it-decorate. An attacker can add an event handler or use javascript:xxx for the link.

Frequently asked questions

What is CVE-2020-28459?
This affects all versions of package markdown-it-decorate. An attacker can add an event handler or use javascript:xxx for the link.
How severe is CVE-2020-28459?
CVE-2020-28459 has a CVSS 3.x base score of 7.3, 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 low.
Is CVE-2020-28459 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (40th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-28459?
CVE-2020-28459 affects Markdown-it-decorate Project Markdown-it-decorate. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-28459?
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-2020-28459 published?
CVE-2020-28459 was published on 2022-07-25 and last updated on 2026-06-17.

References

Affected products (1)

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

Browse all CWE-79 (Cross-site Scripting (XSS)) vulnerabilities →