What is CVE-2026-59078?
Edito CMS is vulnerable to Stored XSS in avatar upload functionality. Authenticated attacker can inject arbitrary HTML and JS into website, which will be rendered/executed when visiting an URL leading to a edited avatar. This issue was fixed in version 5.10.2607. Hotfixes for older versions (5.8) have also been released.
The record classifies CVE-2026-59078 under weakness class CWE-79. 1 affected-product entry is recorded, across 1 vendor, listed below. The identifier was first published 2 days ago.
Severity and exploitation probability
- CVSS v4.0 base score
- 5.1 — Medium (derived from score)
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N - EPSS (FIRST)
- 0.2% probability of exploitation in the next 30 days, higher than 15.1% of all scored CVEs
- CISA KEV
- Not listed in the CISA Known Exploited Vulnerabilities catalog
- Threadlinqs priority
- 3.2/10 — a Threadlinqs composite of the CVSS base score, the EPSS percentile and public exploit availability
- Published
- 2026-11-13
Is CVE-2026-59078 being exploited?
It currently carries a trending score of 39 in the Threadlinqs vulnerability feed.
Affected products and versions
- Edito: CMS
How to fix CVE-2026-59078
No vendor patch reference has been recorded for CVE-2026-59078 in the tracked sources. Follow the references below for a fix, and treat the products listed above as exposed until the vendor states otherwise.
Threat activity tracking CVE-2026-59078
1 tracked threat in the Threadlinqs corpus references CVE-2026-59078, either in the campaign’s CVE list or as an indicator on the campaign record.
Sources
Enriched from CVE.org, FIRST EPSS, GitHub Security Advisories.