CVE-2023-26491
When the URL parameters contain certain special characters, it returns an error page that does not properly handle XSS vulnerabilities, allowing for the execution of arbitrary JavaScript code.
Does this matter?
Lower severity and a low EPSS score (0.43%). Track it; it rarely justifies an emergency change on its own.
Description
RSSHub is an open source and extensible RSS feed generator. When the URL parameters contain certain special characters, it returns an error page that does not properly handle XSS vulnerabilities, allowing for the execution of arbitrary JavaScript code. Users who access the deliberately constructed URL are affected. This vulnerability was fixed in version c910c4d28717fb860fbe064736641f379fab2c91. Please upgrade to this or a later version, there are no known workarounds.
- CVSS 3.1
- 6.1 MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
- EPSS
- 0.43% probability · 36th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-79
- Affected
- rsshub/rsshub
- Source
- security-advisories@github.com
EPSS 0.4% since 7 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- https://github.com/DIYgod/RSSHub/commit/c910c4d28717fb860fbe064736641f379fab2c91Patch
- https://github.com/DIYgod/RSSHub/security/advisories/GHSA-32gr-4cq6-5w5qPatch, Vendor Advisory
- https://github.com/DIYgod/RSSHub/commit/c910c4d28717fb860fbe064736641f379fab2c91Patch
- https://github.com/DIYgod/RSSHub/security/advisories/GHSA-32gr-4cq6-5w5qPatch, Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.