What’s Vulnerable › Vulnerabilities

CVE-2020-15156: XSS due to lack of CSRF validation for replying/publishing

• Severity: high (CVSS 8.1 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: none known
• Published: 2020-08-26 · updated 2026-06-17
• Weakness: CWE-352

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.

Affected products

• psychobunny nodebb-plugin-blog-comments: before 0.7.0 — fixed in 0.7.0

How to fix

Upgrade to a fixed version: psychobunny nodebb-plugin-blog-comments 0.7.0. Check the vendor advisory for mitigations.

References

• https://github.com/psychobunny/nodebb-plugin-blog-comments/commit/cf43beedb05131937ef46f365ab0a0c6fa6ac618
• https://github.com/psychobunny/nodebb-plugin-blog-comments/security/advisories/GHSA-43m5-c88r-cjvv
• https://www.npmjs.com/package/nodebb-plugin-blog-comments
• https://github.com/psychobunny/nodebb-plugin-blog-comments/commit/cf43beedb05131937ef46f365ab0a0c6fa6ac618
• https://github.com/psychobunny/nodebb-plugin-blog-comments/security/advisories/GHSA-43m5-c88r-cjvv
• https://www.npmjs.com/package/nodebb-plugin-blog-comments

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