GNOME Epiphany clickjacking

Summaryinfo

A vulnerability identified as problematic has been detected in GNOME Epiphany. The impacted element is an unknown function. Performing a manipulation results in clickjacking. This vulnerability is known as CVE-2026-18487. Remote exploitation of the attack is possible. No exploit is available.

Detailsinfo

A vulnerability was found in GNOME Epiphany (affected version not known). It has been classified as problematic. This affects some unknown functionality. The manipulation with an unknown input leads to a clickjacking vulnerability. CWE is classifying the issue as CWE-451. The user interface (UI) does not properly represent critical information to the user, allowing the information - or its source - to be obscured or spoofed. This is often a component in phishing attacks. This is going to have an impact on integrity. The summary by CVE is:

A flaw was found in Epiphany. An issue in how the browser reads web addresses allows attackers to fake the domain name shown in the address bar. If a user clicks a specially crafted link containing a colon (for example, [https://trusted.com:[email protected]/](https://trusted.com:[email protected]/)), the address bar and security menus will display the safe website (trusted.com) but it will actually load the attacker website (attacker.com) on the screen. This allows attackers to create convincing phishing pages to trick users into trusting a malicious site.

The advisory is shared at access.redhat.com. This vulnerability is uniquely identified as CVE-2026-18487 since 07/31/2026. The exploitability is told to be easy. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. It demands that the victim is doing some kind of user interaction. Neither technical details nor an exploit are publicly available. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 08/07/2026). MITRE ATT&CK project uses the attack technique T1566.003 for this issue.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Vendor

• GNOME

Name

• Epiphany

License

• open-source

Website

• Vendor: https://www.gnome.org/

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CPE 2.2info

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Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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