Vulnerability Details : CVE-2020-8127
Insufficient validation in cross-origin communication (postMessage) in reveal.js version 3.9.1 and earlier allow attackers to perform cross-site scripting attacks.
Vulnerability category: Cross site scripting (XSS)
Products affected by CVE-2020-8127
- cpe:2.3:a:revealjs:reveal.js:*:*:*:*:*:node.js:*:*
Exploit prediction scoring system (EPSS) score for CVE-2020-8127
0.11%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 42 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2020-8127
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
4.3
|
MEDIUM | AV:N/AC:M/Au:N/C:N/I:P/A:N |
8.6
|
2.9
|
NIST | |
|
6.1
|
MEDIUM | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N |
2.8
|
2.7
|
NIST |
CWE ids for CVE-2020-8127
-
The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.Assigned by:
- nvd@nist.gov (Primary)
- support@hackerone.com (Secondary)
References for CVE-2020-8127
-
https://hackerone.com/reports/691977
#691977 [reveal.js] XSS by calling arbitrary method via postMessageExploit;Third Party Advisory
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