What is CVE-2023-32070?

CVE-2023-32070 is a critical-severity vulnerability in Xwiki Xwiki-rendering, classified under Improper Neutralization of Script in Attributes in a Web Page. CVSS score: 9.1/10. Published 2023-05-10.

How severe is CVE-2023-32070?

Critical severity. CVSS v3 base score is 9.1 out of 10.

Is CVE-2023-32070 known to be exploited?

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

XSS in Xwiki Xwiki-rendering

CVE-2023-32070

XWiki Platform is a generic wiki platform. Prior to version 14.6-rc-1, HTML rendering didn't check for dangerous attributes/attribute values. This allowed cross-site scripting (XSS) attacks via attributes and link URLs, e.g., supported in…

EPSS: 0.219 (95.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.1 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H.

Affected products

Xwiki Xwiki-rendering — versions < 14.6-rc-1, <= 3.0-milestone-2

Weakness classification (CWE)

CWE-83 — Improper Neutralization of Script in Attributes in a Web Page

Public proof-of-concept exploits

References

https://github.com/xwiki/xwiki-rendering/security/advisories/GHSA-6gf5-c898-7rxp (x_refsource_CONFIRM)
https://github.com/xwiki/xwiki-rendering/commit/c40e2f5f9482ec6c3e71dbf1fff5ba8a5e44cdc1 (x_refsource_MISC)
https://jira.xwiki.org/browse/XRENDERING-663 (x_refsource_MISC)

Frequently asked questions

What is CVE-2023-32070?: CVE-2023-32070 is a critical-severity vulnerability in Xwiki Xwiki-rendering, classified under Improper Neutralization of Script in Attributes in a Web Page. CVSS score: 9.1/10. Published 2023-05-10.
How severe is CVE-2023-32070?: Critical severity. CVSS v3 base score is 9.1 out of 10.
Is CVE-2023-32070 known to be exploited?: 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.