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CVE-2020-15156

20
FAUCET Score

CVE-2020-15156 is a Cross-Site Scripting (XSS) vulnerability affecting nodebb-plugin-blog-comments versions prior to 0.7.0. This flaw, stemming from a lack of CSRF validation, allows a logged-in user to be exploited by a third party to post on their behalf on the forum. Rated 8.1 HIGH, the vulnerability has a network attack vector, low attack complexity, and high impact on confidentiality and integrity. There is currently no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
< 0.7.0CPE matchmatch criteria
cpe:2.3:a:nodebb:blog_comments:*:*:*:*:*:node.js:*:*

CVSS Data

CVSS version used by this source: 3.1

6.8MEDIUM

CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:N

Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
NONE
Exploitability Score
1.6
Impact Score
5.2
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.61%
Probability of exploitation in next 30 days
EPSS Percentile
45.7%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0061 is in the 47th percentile among its peer group of 14,855 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.2 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.1 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (2)

github_advisorypatch availablevia nvd_reference
View patch
npmpatch availablevia ghsa
Product: nodebb-plugin-blog-commentsFixed in: 0.7.0

Vendor Advisories (1)

npmGHSA-43m5-c88r-cjvvmedium

XSS due to lack of CSRF validation for replying/publishing

Aug 26, 2020

References

github.com / psychobunny/nodebb-plugin-blog-comments/commit/cf43beedb05131937ef46f365ab0a0c6fa6ac618
PatchThird Party Advisory
github.com / psychobunny/nodebb-plugin-blog-comments/security/advisories/GHSA-43m5-c88r-cjvv
Third Party Advisory
npmjs.com / package/nodebb-plugin-blog-comments
Third Party Advisory