XSS due to lack of CSRF validation for replying/publishing

HIGH 8.1CVE-2020-15156 · GHSA-43m5-c88r-cjvv · Published 26/08/2020 · updated 17/06/2026

Package	Affected versions	Patched versions
blog comments nodebb	`< 0.7.0`	`0.7.0`
nodebb-plugin-blog-comments npm	`< 0.7.0`	`0.7.0`

Description

Impact

Due to lack of CSRF validation, a logged in user is potentially vulnerable to an XSS attack which could allow a third party to post on their behalf on the forum.

Patches

Upgrade to the latest version v0.7.0

Workarounds

You can cherry-pick the following commit: https://github.com/psychobunny/nodebb-plugin-blog-comments/commit/cf43beedb05131937ef46f365ab0a0c6fa6ac618

References

Visit https://community.nodebb.org if you have any questions about this issue or on how to patch / upgrade your instance.

NVD description

In nodebb-plugin-blog-comments before version 0.7.0, a logged in user is vulnerable to an XSS attack which could allow a third party to post on their behalf on the forum. This is due to lack of CSRF validation.

References

psychobunny/nodebb-plugin-blog-comments security advisory · WEB
nvd.nist.gov/vuln/detail/CVE-2020-15156 · ADVISORY
psychobunny/nodebb-plugin-blog-comments commit cf43bee · WEB
npmjs.com/package/nodebb-plugin-blog-comments · WEB

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