CVE-2021-25987

Hexo - Stored XSS

Description

Hexo versions 0.0.1 to 5.4.0 are vulnerable against stored XSS. The post “body” and “tags” don’t sanitize malicious javascript during web page generation. Local unprivileged attacker can inject arbitrary code.

Category

5.0
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.08%
Third-Party Advisory github.com Third-Party Advisory whitesourcesoftware.com
Affected: Hexo Hexo
Published at:
Updated at:

References

Link Tags
https://github.com/hexojs/hexo/commit/5170df2d3fa9c69e855c4b7c2b084ebfd92d5200 third party advisory patch
https://www.whitesourcesoftware.com/vulnerability-database/CVE-2021-25987 third party advisory

Frequently Asked Questions

What is the severity of CVE-2021-25987?
CVE-2021-25987 has been scored as a medium severity vulnerability.
How to fix CVE-2021-25987?
To fix CVE-2021-25987, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2021-25987 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2021-25987 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2021-25987?
CVE-2021-25987 affects Hexo Hexo.
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