Colorbox Inline up to 2.1.0 on Drupal 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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4.4$0-$5k0.00

Summaryinfo

A vulnerability was found in Colorbox Inline up to 2.1.0 on Drupal. It has been classified as problematic. Affected by this issue is some unknown functionality. Performing a manipulation results in cross site scripting. This vulnerability is identified as CVE-2026-8493. The attack can be initiated remotely. There is not any exploit available. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability classified as problematic has been found in Colorbox Inline up to 2.1.0 on Drupal. This affects an unknown code block. The manipulation with an unknown input leads to a cross site scripting vulnerability. CWE is classifying the issue as 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. This is going to have an impact on integrity. The summary by CVE is:

Improper Neutralization of Input During Web Page Generation ("Cross-site Scripting") vulnerability in Drupal Colorbox Inline allows Cross-Site Scripting (XSS). This issue affects Colorbox Inline: from 0.0.0 before 2.1.1.

The weakness was released by Pierre Rudloff as sa-contrib-2026-036. The advisory is shared at drupal.org. This vulnerability is uniquely identified as CVE-2026-8493 since 05/13/2026. The exploitability is told to be easy. It is possible to initiate the attack remotely. It demands that the victim is doing some kind of user interaction. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1059.007 for this issue.

Upgrading to version 2.1.1 eliminates this vulnerability.

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

Productinfo

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.4
VulDB Meta Temp Score: 4.4

VulDB Base Score: 3.5
VulDB Temp Score: 3.4
VulDB Vector: 🔒
VulDB Reliability: 🔍

ADP CISA Base Score: 5.4
ADP CISA Vector: 🔒

CVSSv2info

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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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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: Colorbox Inline 2.1.1

Timelineinfo

05/13/2026 CVE reserved
05/20/2026 +7 days Advisory disclosed
05/20/2026 +0 days VulDB entry created
07/24/2026 +65 days VulDB entry last update

Sourcesinfo

Advisory: sa-contrib-2026-036
Researcher: Pierre Rudloff
Status: Confirmed

CVE: CVE-2026-8493 (🔒)
GCVE (CVE): GCVE-0-2026-8493
GCVE (VulDB): GCVE-100-364761

Entryinfo

Created: 05/20/2026 05:56
Updated: 07/24/2026 08:30
Changes: 05/20/2026 05:56 (56), 05/23/2026 19:41 (11), 07/24/2026 08:30 (1)
Complete: 🔍
Cache ID: 216::103

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

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