What is CVE-2026-3251?

CVE-2026-3251 is a medium-severity vulnerability in Webremium Istanbul Web Design Mezunum Satiyorum, classified under Cross-site Scripting. CVSS score: 6.4/10. Published 2026-07-10.

How severe is CVE-2026-3251?

Medium severity. CVSS v3 base score is 6.4 out of 10.

XSS in Webremium Istanbul Web Design Mezunum Satiyorum

CVE-2026-3251

Improper neutralization of input during web page generation ('cross-site scripting') vulnerability in Webremium Istanbul Web Design Mezunum Satiyorum allows Stored XSS. This issue affects Mezunum Satiyorum: from 1.2.504 through 10072026. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.

Vulnerability class: XSS (Cross-Site Scripting)

Published 2026-07-10 · last modified 2026-07-10.

CVSS v3 metric

CVSS v3 base score 6.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N.

EPSS exploit prediction

EPSS: 0.002 (14.7th percentile), scored 2026-10-10.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 15th percentile — 14.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: 0.000

Affected products

Webremium Istanbul Web Design Mezunum Satiyorum — versions 1.2.504

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

siberguvenlik.gov.tr/guvenlik-bildirimleri/detay/tr-26-0525 (government-resource)

Frequently asked questions

What is CVE-2026-3251?: CVE-2026-3251 is a medium-severity vulnerability in Webremium Istanbul Web Design Mezunum Satiyorum, classified under Cross-site Scripting. CVSS score: 6.4/10. Published 2026-07-10.
How severe is CVE-2026-3251?: Medium severity. CVSS v3 base score is 6.4 out of 10.