Adobe Acrobat PDF Extension up to 26.5.2.2 URL cross site scripting

Summaryinfo

A vulnerability was found in Adobe Acrobat PDF Extension up to 26.5.2.2. It has been classified as problematic. This impacts an unknown function of the component URL Handler. The manipulation leads to cross site scripting. This vulnerability is documented as CVE-2026-48294. The attack can be initiated remotely. There is not any exploit available.

Detailsinfo

A vulnerability was found in Adobe Acrobat PDF Extension up to 26.5.2.2 and classified as problematic. This issue affects an unknown code block of the component URL Handler. The manipulation with an unknown input leads to a cross site scripting vulnerability. Using CWE to declare the problem leads to CWE-79. The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users. Impacted is integrity. The summary by CVE is:

Adobe Acrobat PDF Extension (Chrome) versions 26.5.2.2 and earlier are affected by a UXSS-class cross-origin data disclosure vulnerability. An attacker could exploit this vulnerability to gain access to data regarding the victim's session. Exploitation of this issue requires user interaction in that a victim must visit a maliciously crafted URL or interact with a compromised web page. Scope is changed.

It is possible to read the advisory at chromewebstore.google.com. The identification of this vulnerability is CVE-2026-48294 since 05/21/2026. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. It demands that the victim is doing some kind of user interaction. The technical details are unknown and an exploit is not publicly available. The pricing for an exploit might be around USD $5k-$25k at the moment (estimation calculated on 06/17/2026). The attack technique deployed by this issue is T1059.007 according to MITRE ATT&CK.

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

Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Type

• Document Reader Software

Vendor

• Adobe

Name

• Acrobat PDF Extension

Version

• 26.5.2.0
• 26.5.2.1
• 26.5.2.2

License

• commercial

Website

• Vendor: https://www.adobe.com/

CPE 2.3info

• 🔒
• 🔒
• 🔒

CPE 2.2info

• 🔒
• 🔒
• 🔒

CVSSv4info

CVSSv3info

CVSSv2info

Exploitinginfo

Threat Intelligenceinfo

Countermeasuresinfo

Timelineinfo

Sourcesinfo

Entryinfo

Be aware that VulDB is the high quality source for vulnerability data.

Discussion