XSS in Gistpress Project
CVE-2020-8498
XSS exists in the shortcode functionality of the GistPress plugin before 3.0.2 for WordPress via the includes/class-gistpress.php id parameter. This allows an attacker with the WordPress Contributor role to execute arbitrary JavaScript code with the privileges of other users (e.g., ones who have the publish_posts capability).
Vulnerability class: XSS (Cross-Site Scripting)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N.
EPSS exploit prediction
EPSS: 0.012 (67.4th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 67th percentile — 67.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.012 · newest: 0.012 · change: 0.000
Affected products
Weakness classification (CWE)
Public proof-of-concept exploits
References
- github.com/bradyvercher/gistpress/commit/e3f260edb6673227b0471c74b7ab13c094411e… (Patch)
- github.com/bradyvercher/gistpress/releases/tag/v3.0.2 (Release Notes)
- wpvulndb.com/vulnerabilities/10053 (Patch, Third Party Advisory)
Frequently asked questions
- What is CVE-2020-8498?
- CVE-2020-8498 is a medium-severity vulnerability in Gistpress Project, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2020-01-30.
- How severe is CVE-2020-8498?
- Medium severity. CVSS v3 base score is 5.4 out of 10.
- Is CVE-2020-8498 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.