Stored XSS in Edito CMS

published 2026-11-13 2d ago modified 2026-11-13 yesterday also EUVD-2026-124879

cvss: 5.1; version 4.0, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.2%; EPSS 0.2% chance of exploitation in 30 days, percentile 15%
public exploits: 0; none known

Edito CMS is vulnerable to Stored XSS via content parameter in Tiny editor functionality. Authenticated attacker can inject arbitrary HTML and JS into website, which will be rendered/executed when user tries to edit changed entry.

This issue was fixed in version 5.10.2607. Hotfixes for older versions (5.8) have also been released.

Patch / fix

fixed in 1

Edito Edito CMS 5.10.2607

Is CVE-2026-59077 in your stack? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.

Check with Fencer

Exploit prediction

0.24% chance of exploitation in the next 30 days, higher than 15% of all scored CVEs (FIRST EPSS, 2026-11-14).

CVSS scores

assigned by	version	score	vector
CNA	4.0	5.1	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
CNA	4.0	5.1	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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Affected products

Edito Edito CMS

Classification

Weakness

CWE-79 Improper Neutralization of Input During Web Page Generation

References

cert.pl /posts/2026/11/CVE-2026-59074
third-party-advisory
edito.pl /
product

Sources

CVE List CVE-2026-59077
NVD CVE-2026-59077

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.