CVE-2021-32858: esdoc-publish-html-plugin vulnerable to Cross-site Scripting

Severity: medium (CVSS 6.1 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.6% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2023-02-21 · updated 2026-06-17
Weakness: CWE-79

Description

esdoc-publish-html-plugin is a plugin for the document maintenance software ESDoc. TheHTML sanitizer in esdoc-publish-html-plugin 1.1.2 and prior can be bypassed which may lead to cross-site scripting (XSS) issues. There are no known patches for this issue.

Affected products

esdoc-publish-html-plugin: through 1.1.2

References

https://github.com/esdoc/esdoc-plugins/blob/2de5022baa569785a189056a99acd1d7ca8284b7/esdoc-publish-html-plugin/src/Builder/util.js#L80
https://securitylab.github.com/advisories/GHSL-2021-1034_esdoc-publish-html-plugin/
https://github.com/esdoc/esdoc-plugins/blob/2de5022baa569785a189056a99acd1d7ca8284b7/esdoc-publish-html-plugin/src/Builder/util.js#L80
https://securitylab.github.com/advisories/GHSL-2021-1034_esdoc-publish-html-plugin/

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