What’s Vulnerable › Vulnerabilities

CVE-2020-25788

• Severity: high (CVSS 8.1 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: 2020-09-19 · updated 2026-06-17
• Weakness: CWE-829

Description

An issue was discovered in Tiny Tiny RSS (aka tt-rss) before 2020-09-16. imgproxy in plugins/af_proxy_http/init.php mishandles $_REQUEST["url"] in an error message.

Affected products

• Tt-Rss Tiny Tiny Rss: before 2020-09-16 — fixed in 2020-09-16

How to fix

Upgrade to a fixed version: Tt-Rss Tiny Tiny Rss 2020-09-16. Check the vendor advisory for mitigations.

References

• https://blog.neagaru.com/p/exploiting-tiny-tiny-rss-2020
• https://community.tt-rss.org/t/heads-up-several-vulnerabilities-fixed/3799
• https://git.tt-rss.org/fox/tt-rss/commit/c3d14e1fa54c7dade7b1b7955575e2991396d7ef
• https://community.tt-rss.org/t/heads-up-several-vulnerabilities-fixed/3799
• https://git.tt-rss.org/fox/tt-rss/commit/c3d14e1fa54c7dade7b1b7955575e2991396d7ef

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