What’s Vulnerable › Vulnerabilities

CVE-2018-18670

• Severity: medium (CVSS 6.1 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.5% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2019-07-23 · updated 2026-06-17
• Weakness: CWE-79

Description

GNUBOARD5 5.3.1.9 has XSS that allows remote attackers to inject arbitrary web script or HTML via the "Extra Contents" parameter, aka the adm/config_form_update.php cf_1~10 parameter.

Affected products

• gnuboard5: 5.3.1.9

References

• https://github.com/gnuboard/gnuboard5/commit/a45241f4bc46aee1ab2cc0749f6444b043681edf#diff-d1ecbee80f57fde59063c4fafcef1bce
• https://github.com/gnuboard/gnuboard5/compare/15b2e73...2549172
• https://github.com/gnuboard/gnuboard5/releases/tag/5.3.2.0
• https://github.com/gnuboard/gnuboard5/commit/a45241f4bc46aee1ab2cc0749f6444b043681edf#diff-d1ecbee80f57fde59063c4fafcef1bce
• https://github.com/gnuboard/gnuboard5/compare/15b2e73...2549172
• https://github.com/gnuboard/gnuboard5/releases/tag/5.3.2.0

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