Extension - virtuemart.net - XSS in VirtueMart component 1.0.0 - 4.4.10 for Joomla

published 2025-10-25 last yr. modified 2026-10-08 last mo. also EUVD-2025-35938

cvss: 6.1; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.2%; EPSS 0.2% chance of exploitation in 30 days, percentile 10%
public exploits: 0; none known

A unauthenticated reflected XSS vulnerability in VirtueMart 1.0.0-4.4.10 for Joomla was discovered.

Is CVE-2025-55757 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

CISA SSVC

Exploitation: Proof of concept is public
Automatable: no
Technical impact: partial
Assessed: last yr. (2025-10-27)

Exploit prediction

0.20% chance of exploitation in the next 30 days, higher than 10% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by	version	score	vector
CISA ADP	3.1	6.1	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
CNA	3.1	6.1	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Affected products

virtuemart.net Virtuemart component for Joomla

Classification

Weakness

CWE-79 Improper Neutralization of Input During Web Page Generation

References

virtuemart.net /
product
github.com /AdamWallwork/CVEs/tree/main/2025/CVE-2025-55757
third-party-advisory

Sources

CVE List CVE-2025-55757
NVD CVE-2025-55757

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.