What is CVE-2020-25788?

CVE-2020-25788 is a high-severity vulnerability in Tt-Rss Tiny Rss, classified under Inclusion of Functionality from Untrusted Control Sphere. CVSS score: 8.1/10. Published 2020-09-19.

How severe is CVE-2020-25788?

High severity. CVSS v3 base score is 8.1 out of 10.

Vulnerability in Tt-Rss Tiny Rss

CVE-2020-25788

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.

Published 2020-09-19 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 8.1 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.012 (66.9th percentile), scored 2026-10-01.

Low probability of exploitation in the next 30 days, but still tracked. 67th percentile — 66.9% 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

Tt-Rss Tiny Rss

Weakness classification (CWE)

CWE-829 — Inclusion of Functionality from Untrusted Control Sphere

References

git.tt-rss.org/fox/tt-rss/commit/c3d14e1fa54c7dade7b1b7955575e2991396d7ef (Patch, Vendor Advisory)
community.tt-rss.org/t/heads-up-several-vulnerabilities-fixed/3799 (Vendor Advisory)
blog.neagaru.com/p/exploiting-tiny-tiny-rss-2020

Frequently asked questions

What is CVE-2020-25788?: CVE-2020-25788 is a high-severity vulnerability in Tt-Rss Tiny Rss, classified under Inclusion of Functionality from Untrusted Control Sphere. CVSS score: 8.1/10. Published 2020-09-19.
How severe is CVE-2020-25788?: High severity. CVSS v3 base score is 8.1 out of 10.