What is CVE-2023-27130?

CVE-2023-27130 is a medium-severity vulnerability in Typecho, classified under Cross-site Scripting. CVSS score: 4.8/10. Published 2023-03-16.

How severe is CVE-2023-27130?

Medium severity. CVSS v3 base score is 4.8 out of 10.

Is CVE-2023-27130 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

XSS in Typecho

CVE-2023-27130

Cross Site Scripting vulnerability found in Typecho v.1.2.0 allows a remote attacker to execute arbitrary code via an arbitrarily supplied URL parameter.

Vulnerability class: XSS (Cross-Site Scripting)

Published 2023-03-16 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 4.8 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N.

EPSS exploit prediction

EPSS: 0.006 (45.5th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 45th percentile — 45.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.006 · newest: 0.006 · change: 0.000

Affected products

Typecho

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

Public proof-of-concept exploits

Srpopty/Corax

References

github.com/typecho/typecho/issues/1535 (Exploit, Issue Tracking)
github.com/typecho/typecho/commit/f9ede542c9052ba22a6096d8412e2f02d9de872b (Patch)

Frequently asked questions

What is CVE-2023-27130?: CVE-2023-27130 is a medium-severity vulnerability in Typecho, classified under Cross-site Scripting. CVSS score: 4.8/10. Published 2023-03-16.
How severe is CVE-2023-27130?: Medium severity. CVSS v3 base score is 4.8 out of 10.
Is CVE-2023-27130 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.