Google Chrome up to 147.0.7727.138 SanitizerAPI cross site scripting

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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4.1$5k-$25k0.00

Summaryinfo

A vulnerability classified as critical has been found in Google Chrome. The affected element is an unknown function of the component SanitizerAPI. This manipulation causes cross site scripting. This vulnerability is registered as CVE-2026-7939. Remote exploitation of the attack is possible. No exploit is available. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability classified as critical was found in Google Chrome. Affected by this vulnerability is some unknown processing of the component SanitizerAPI. The manipulation with an unknown input leads to a cross site scripting vulnerability. The CWE definition for the vulnerability is 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. As an impact it is known to affect integrity. The summary by CVE is:

Inappropriate implementation in SanitizerAPI in Google Chrome prior to 148.0.7778.96 allowed a remote attacker to inject arbitrary scripts or HTML (UXSS) via a crafted HTML page. (Chromium security severity: Medium)

It is possible to read the advisory at chromereleases.googleblog.com. This vulnerability is known as CVE-2026-7939 since 05/06/2026. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. 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 05/17/2026). The attack technique deployed by this issue is T1059.007 according to MITRE ATT&CK.

The vulnerability scanner Nessus provides a plugin with the ID 315031 (openSUSE 16 Security Update : chromium (openSUSE-SU-2026:20727-1)), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 148.0.7778.96 eliminates this vulnerability.

The vulnerability is also documented in the databases at Tenable (315031) and CERT Bund (WID-SEC-2026-1394). Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Affected

  • Debian Linux
  • Fedora Linux
  • IGEL OS
  • Google Chrome
  • Microsoft Edge

Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.3
VulDB Meta Temp Score: 4.1

VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Cross site scripting
CWE: CWE-79 / CWE-94 / CWE-74
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Nessus ID: 315031
Nessus Name: openSUSE 16 Security Update : chromium (openSUSE-SU-2026:20727-1)

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: Chrome 148.0.7778.96

Timelineinfo

05/06/2026 Advisory disclosed
05/06/2026 +0 days CVE reserved
05/06/2026 +0 days VulDB entry created
05/17/2026 +11 days VulDB entry last update

Sourcesinfo

Vendor: google.com
Product: google.com

Advisory: 492963
Status: Confirmed

CVE: CVE-2026-7939 (🔒)
GCVE (CVE): GCVE-0-2026-7939
GCVE (VulDB): GCVE-100-361675
CERT Bund: WID-SEC-2026-1394 - Google Chrome/Microsoft Edge: Mehrere Schwachstellen

Entryinfo

Created: 05/06/2026 21:41
Updated: 05/17/2026 03:30
Changes: 05/06/2026 21:41 (58), 05/14/2026 20:55 (7), 05/17/2026 03:30 (2)
Complete: 🔍
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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