CVE-2020-25789
An issue was discovered in Tiny Tiny RSS (aka tt-rss) before 2020-09-16. The cached_url feature...
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.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- Required
What an attacker can affect
- Confidentiality
- Low
- Integrity
- Low
- Availability
- None
Exploit likelihood
What each source reports
NVD Score used
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.
- Record
CVE-2020-25789- CVSS 3.1
- 6.1 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N - CVSS 2.0
- 4.3 Medium
AV:N/AC:M/Au:N/C:N/I:P/A:N - Weakness
- CWE-79
- Updated
- 2026-11-02
CVE List No score
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.
- Record
CVE-2020-25789- Updated
- 2026-11-02
EUVDEUVD-2020-18439 No score
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.
- Record
EUVD-2020-18439- Updated
- 2026-11-02
GitHub AdvisoriesGHSA-63f3-68q8-wr22
An issue was discovered in Tiny Tiny RSS (aka tt-rss) before 2020-09-16. The cached_url feature...
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.
- Record
GHSA-63f3-68q8-wr22- CVSS 3.1
- 6.1 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N - Weakness
- CWE-79
- Updated
- 2026-11-02
OSV
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.
- Record
CVE-2020-25789- CVSS 3.1
- 6.1 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N - Updated
- 2026-11-02
OSVDEBIAN-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.
- Record
DEBIAN-CVE-2020-25789- CVSS 3.1
- 6.1 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N - Updated
- 2026-11-02
OSVUBUNTU-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.
- Record
UBUNTU-CVE-2020-25789- CVSS 3.1
- 6.1 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N - Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
tt-rssDebian:12 |
before 21~git20210204.b4cbc79+dfsg-1 | 21~git20210204.b4cbc79+dfsg-1 |
tt-rssUbuntu:16.04:LTS |
All versions, plus listed versions 1.15+dfsg-115.7+git20151123+dfsg-115.7+git20151123+dfsg-1ubuntu1 |
None known |
tt-rssUbuntu:18.04:LTS |
All versions, plus listed versions 17.1+git20170410+dfsg-217.1+git20170410+dfsg-2ubuntu1 |
None known |
tt-rssUbuntu:22.04:LTS |
All versions, plus listed versions 21~git20210204.b4cbc79+dfsg-1 |
None known |
tt-rssUbuntu:24.04:LTS |
All versions, plus listed versions 21~git20210204.b4cbc79+dfsg-1.2 |
None known |
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2020-25789 is a medium vulnerability (CVSS 6.1) in Tt-rss Tiny Tiny Rss, published September 19, 2020. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.88%, the 59th percentile. Fixed in tt-rss 21~git20210204.b4cbc79+dfsg-1.
References
community.tt-rss.org/t/heads-up-several-vulnerabilities-fixed/3799
git.tt-rss.org/fox/tt-rss/commit/da5af2fae091041cca27b24b6f0e69e4a6d0dc60
blog.neagaru.com/p/exploiting-tiny-tiny-rss-2020
nvd.nist.gov/vuln/detail/CVE-2020-25789
github.com/advisories/GHSA-63f3-68q8-wr22
security-tracker.debian.org/tracker/CVE-2020-25789
ubuntu.com/security/CVE-2020-25789
cve.org/CVERecord?id=CVE-2020-25789