How severe is CVE-2020-25789?

CVE-2020-25789 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2020-25789 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (55th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-25789?

CVE-2020-25789 affects Tt-rss Tiny Tiny Rss. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-25789?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2020-25789 published?

CVE-2020-25789 was published on 2020-09-19 and last updated on 2026-06-17.

CVE-2020-25789

CVE-2020-25789 is a medium-severity vulnerability in Tt-rss Tiny Tiny Rss with a CVSS 3.x base score of 6.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-79.

Key facts

Severity: Medium (CVSS 3.x base score 6.1)
CVSS v2: 4.3
EPSS exploit prediction: 1% (55th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Tt-rss Tiny Tiny Rss
Published: 2020-09-19
Last modified: 2026-06-17

Description

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.

Frequently asked questions

What is CVE-2020-25789?: 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.
How severe is CVE-2020-25789?: CVE-2020-25789 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2020-25789 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (55th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-25789?: CVE-2020-25789 affects Tt-rss Tiny Tiny Rss. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-25789?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2020-25789 published?: CVE-2020-25789 was published on 2020-09-19 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:tt-rss:tiny_tiny_rss:*:*:*:*:*:*:*:*

More vulnerabilities in Tt-rss Tiny Tiny Rss

CVE-2020-25787 — Critical (CVSS 9.8): An issue was discovered in Tiny Tiny RSS (aka tt-rss) before 2020-09-16. It does not validate all URLs before…
CVE-2017-16896 — Critical (CVSS 9.8): A SQL injection in classes/handler/public.php in the forgotpass component of Tiny Tiny RSS 17.4 exists via the login…
CVE-2020-25788 — High (CVSS 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…
CVE-2021-28373 — High (CVSS 7.5): The auth_internal plugin in Tiny Tiny RSS (aka tt-rss) before 2021-03-12 allows an attacker to log in via the OTP code…
CVE-2017-1000035 — Medium (CVSS 6.1): Tiny Tiny RSS before 829d478f is vulnerable to XSS window.opener attack

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