What’s Vulnerable › Vulnerabilities

CVE-2020-26885

• Severity: medium (CVSS 6.1 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.1% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2021-06-07 · updated 2026-06-17
• Weakness: CWE-79

Description

An issue was discovered in 2sic 2sxc before 11.22. A XSS vulnerability in the sxcver parameter of dnn/ui.html allows an attacker to craft a malicious URL that executes a JavaScript payload in a victim's browser.

Affected products

• 2Sic 2Sxc: from 8.00.00 before 11.22.00 — fixed in 11.22.00

How to fix

Upgrade to a fixed version: 2Sic 2Sxc 11.22.00. Check the vendor advisory for mitigations.

References

• http://burninatorsec.blogspot.com/2021/04/cve-2020-26885-xss-in-2sxc.html?m=1
• https://2SXC.org/en/blog/post/2sxc-security-notification-2021-001
• https://burninatorsec.blogspot.com/2020/10/cve-2020-26885-xss-in-anchor-tags.html
• https://github.com/2sic/2sxc/releases
• http://burninatorsec.blogspot.com/2021/04/cve-2020-26885-xss-in-2sxc.html?m=1
• https://2SXC.org/en/blog/post/2sxc-security-notification-2021-001
• https://burninatorsec.blogspot.com/2020/10/cve-2020-26885-xss-in-anchor-tags.html
• https://github.com/2sic/2sxc/releases

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