CVE-2020-25788

HIGHNVD 8.18.1—

8.1

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.

CVSS v3: 8.1
EG Score: 8.1(medium)
EPSS: 56.7%
KEV: Not listed

Published

September 19, 2020

Last Modified

December 22, 2025

References (5)

cve@mitrehttps://blog.neagaru.com/p/exploiting-tiny-tiny-rss-2020
cve@mitrehttps://community.tt-rss.org/t/heads-up-several-vulnerabilities-fixed/3799
cve@mitrehttps://git.tt-rss.org/fox/tt-rss/commit/c3d14e1fa54c7dade7b1b7955575e2991396d7ef
af854a3a-2127-422b-91ae-364da2661108https://community.tt-rss.org/t/heads-up-several-vulnerabilities-fixed/3799
af854a3a-2127-422b-91ae-364da2661108https://git.tt-rss.org/fox/tt-rss/commit/c3d14e1fa54c7dade7b1b7955575e2991396d7ef

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

CWE-829Inclusion of Functionality from Untrusted Control Sphere

Data Freshness Timeline

(refreshed 8× in last 7d / 8× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-05-27 13:39 UTCepss_batch
2026-05-26 13:42 UTCepss_batch
2026-05-26 13:42 UTCepss_batch
2026-05-26 07:17 UTCepss_batch
2026-05-26 07:17 UTCepss_batch
2026-05-24 16:48 UTCepss_batch
2026-05-23 07:31 UTCEG score recompute
2026-05-23 07:31 UTCGHSA enrichment

Frequently asked(5)

What is CVE-2020-25788?

CVE-2020-25788 is a high vulnerability published on September 19, 2020. An issue was discovered in Tiny Tiny RSS (aka tt-rss) before 2020-09-16. imgproxy in plugins/afproxyhttp/init.php mishandles $_REQUEST["url"] in an error message.

When was CVE-2020-25788 disclosed?

CVE-2020-25788 was first published in the National Vulnerability Database on September 19, 2020, with the most recent update on December 22, 2025. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2020-25788 actively exploited?

CVE-2020-25788 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 56.7% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2020-25788?

CVE-2020-25788 has a CVSS v3 base score of 8.1 (NVD).

How do I remediate CVE-2020-25788?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2020-25788, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

See which npm, PyPI, Go, and Maven packages are affected by CVE-2020-25788

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CVE-2020-25788

📅 Published

🔄 Last Modified

🔗 References (5)