CVE-2020-25789

MEDIUMNVD 6.16.1—

6.1

An issue was discovered in Tiny Tiny RSS (aka tt-rss) before 2020-09-16. The cached_url feature mishandles JavaScript inside an SVG document.

CVSS v3: 6.1
EG Score: 6.1(medium)
EPSS: 50.0%
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/da5af2fae091041cca27b24b6f0e69e4a6d0dc60
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/da5af2fae091041cca27b24b6f0e69e4a6d0dc60

Weakness Classification(1)

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

CWE-79Cross-site Scripting (XSS)

Data Freshness Timeline

(refreshed 13× in last 7d / 20× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

2026-06-08 14:15 UTCEPSS rescore
2026-06-08 14:15 UTCEPSS rescore
2026-06-07 16:46 UTCOSV refresh
2026-06-07 15:23 UTCEPSS rescore
2026-06-07 15:23 UTCEPSS rescore
2026-06-06 13:45 UTCEPSS rescore
2026-06-06 13:45 UTCEPSS rescore
2026-06-05 22:45 UTCEPSS rescore
2026-06-05 22:45 UTCEPSS rescore
2026-06-05 06:08 UTCEPSS rescore
2026-06-05 06:08 UTCEPSS rescore
2026-06-04 13:10 UTCEPSS rescore
2026-06-04 13:10 UTCEPSS rescore
2026-06-02 20:11 UTCEPSS rescore
2026-06-02 20:11 UTCEPSS rescore
2026-06-01 13:50 UTCEPSS rescore
2026-06-01 13:50 UTCEPSS rescore
2026-05-31 22:29 UTCEPSS rescore
2026-05-31 22:29 UTCEPSS rescore
2026-05-31 00:15 UTCEPSS rescore

Frequently asked(5)

What is CVE-2020-25789?

CVE-2020-25789 is a medium vulnerability published on September 19, 2020. An issue was discovered in Tiny Tiny RSS (aka tt-rss) before 2020-09-16. The cached_url feature mishandles JavaScript inside an SVG document.

When was CVE-2020-25789 disclosed?

CVE-2020-25789 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-2020-25789 actively exploited?

CVE-2020-25789 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 50.0% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2020-25789?

CVE-2020-25789 has a CVSS v3 base score of 6.1 (NVD).

How do I remediate CVE-2020-25789?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2020-25789, 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

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CVE-2020-25789

📅 Published

🔄 Last Modified

🔗 References (5)

Weakness Classification(1)

Data Freshness Timeline

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2020-25789?

🔗 Related CVEs(same CWE)

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Published

Last Modified

References (5)

Frequently asked(5)

Related CVEs(same CWE)