XSS in Umichitswebhosting Umich Oidc Login

CVE-2024-11753

The UMich OIDC Login plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's 'umich_oidc_button' shortcode in all versions up to, and including, 1.2.0 due to insufficient input sanitization and output escaping on user supplied attributes. This makes it possible for authenticated attackers, with contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

Vulnerability class: XSS (Cross-Site Scripting)

Published · last modified .

CVSS v3 metric

CVSS v3 base score 6.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N.

EPSS exploit prediction

EPSS: 0.004 (34.6th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 35th percentile — 34.6% 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-2024-11753: held from 0.004 to 0.004.

EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: +0.000

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2024-11753?
CVE-2024-11753 is a medium-severity vulnerability in Umichitswebhosting Umich Oidc Login, classified under Cross-site Scripting. CVSS score: 6.4/10. Published 2025-02-19.
How severe is CVE-2024-11753?
Medium severity. CVSS v3 base score is 6.4 out of 10.
Is CVE-2024-11753 known to be exploited?
2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.