What’s Vulnerable › Vulnerabilities

CVE-2020-8498

• Severity: medium (CVSS 5.4 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2020-01-30 · updated 2026-06-17
• Weakness: CWE-79

Description

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).

Affected products

• Gistpress Project Gistpress: before 3.0.2 — fixed in 3.0.2

How to fix

Upgrade to a fixed version: Gistpress Project Gistpress 3.0.2. Check the vendor advisory for mitigations.

References

• https://github.com/bradyvercher/gistpress/commit/e3f260edb6673227b0471c74b7ab13c094411ef7
• https://github.com/bradyvercher/gistpress/releases/tag/v3.0.2
• https://wpvulndb.com/vulnerabilities/10053
• https://github.com/bradyvercher/gistpress/commit/e3f260edb6673227b0471c74b7ab13c094411ef7
• https://github.com/bradyvercher/gistpress/releases/tag/v3.0.2
• https://wpvulndb.com/vulnerabilities/10053

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