XSS in Typecho

CVE-2017-16230

In admin/write-post.php in Typecho through 1.1, one can log in to the background page, write a new article, and add payload in the article content, resulting in XSS via index.php/action/contents-post-edit.

Vulnerability class: XSS (Cross-Site Scripting)

Published · last modified .

CVSS v3 metric

CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N.

EPSS exploit prediction

EPSS: 0.005 (41.4th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 41st percentile — 41.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2017-16230: held from 0.005 to 0.005.

EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: 0.000

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2017-16230?
CVE-2017-16230 is a medium-severity vulnerability in Typecho, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2017-10-30.
How severe is CVE-2017-16230?
Medium severity. CVSS v3 base score is 5.4 out of 10.