CVE-2026-1277

URL Shortify <= 1.12.1 - Unauthenticated Open Redirect via 'redirect_to' Parameter

2026-02-17 16:15

Tarcísio Luchesi De Almeida Silva (Poystick)

Strategic Overview

Status: Patched in 1.12.2
Affected Plugin: URL Shortify – Simple and Easy URL Shortener
Affected Version: <= 1.12.1
CVSS: 4.7Medium
Weakness type: CWE-601 · URL Redirection to Untrusted Site ('Open Redirect')
CVE: CVE-2026-1277

View all URL Shortify – Simple and Easy URL Shortener vulnerabilities

At a glance

CVE-2026-1277 is a medium-severity URL Redirection to Untrusted Site ('Open Redirect') vulnerability in the URL Shortify WordPress plugin, affecting versions <= 1.12.1. It carries a CVSS score of 4.7 (reachable over the network; low attack complexity). Exploitation requires no authentication. The issue is fixed in version 1.12.2; sites on affected versions should update now. Disclosed February 2026, reported by Tarcísio Luchesi De Almeida Silva (Poystick).

Vulnerability Overview

The URL Shortify plugin for WordPress is vulnerable to Open Redirect in all versions up to, and including, 1.12.1 due to insufficient validation on the 'redirect_to' parameter in the promotional dismissal handler. This makes it possible for unauthenticated attackers to redirect users to potentially malicious sites via a crafted link.

Technical Analysis

The vector marks this flaw as remotely reachable over the network, with low attack complexity — no special timing or configuration is needed, and no privileges on the target site.

CWE-601: URL Redirection to Untrusted Site ('Open Redirect')

URL Shortify <= 1.12.1 carries this weakness at redirect_to, and reaching it takes no account at all. An open redirect is a page that takes a destination from the request and sends the browser there without checking that the destination belongs to the site.

A link that starts on a trusted domain finishes on an attacker's, which is what makes phishing and consent-screen abuse credible to the person clicking it. For URL Shortify the fix is 1.12.2: builds <= 1.12.1 are affected, anything from 1.12.2 onward is not.

Remediation

Update to version 1.12.2, or a newer patched version

How does WordSec protect against this?

Requests carrying this pattern arrive without a session, so nothing upstream of the firewall gets a chance to reject them: WordSec's web application firewall inspects request payloads before WordPress loads them. None of that substitutes for the fix: URL Shortify 1.12.2 closes this, and updating the plugin is the step that ends it.

Firewall
Login Security
Alerts

External References

https://www.cve.org/CVERecord?id=CVE-2026-1277 https://www.wordfence.com/threat-intel/vulnerabilities/id/c7c1dc51-47ca-4b2f-9ff9-275bd8b1c106 https://nvd.nist.gov/vuln/detail/CVE-2026-1277

Related records

Other vulnerabilities in URL Shortify – Simple and Easy URL Shortener

CVSS Vector

4.7

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:L/A:N

Base

Attack VectorNetwork
Attack ComplexityLow
Privileges RequiredNone
User InteractionRequired
ScopeChanged
ConfidentialityNone
IntegrityLow
AvailabilityNone

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