RegularLabs Tabs & Accordions Extension up to 3.1.0 Renderer data-rlta-alias 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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3.5$0-$5k0.26+

Summaryinfo

A vulnerability marked as problematic has been reported in RegularLabs Tabs & Accordions Extension up to 3.1.0. The impacted element is an unknown function of the component Renderer. The manipulation of the argument data-rlta-alias leads to cross site scripting. This vulnerability is documented as CVE-2026-85191. The attack can be initiated remotely. There is not any exploit available.

Detailsinfo

A vulnerability was found in RegularLabs Tabs & Accordions Extension up to 3.1.0 and classified as problematic. This issue affects an unknown code of the component Renderer. The manipulation of the argument data-rlta-alias 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:

Joomla Extension - regularlabs.com - Privileged stored XSS via rtla-alias option in Tabs & Accordions extension for Joomla < 3.1.0 - Tabs & Accordions rewrites links matching an item alias into calls to its browser API. The affected renderer places the alias inside a quoted JavaScript argument in an HTML onclick attribute without securing both the JavaScript-string and HTML-attribute contexts. A crafted data-rlta-alias value can therefore change the generated handler.

The advisory is shared at regularlabs.com. The identification of this vulnerability is CVE-2026-85191 since 09/03/2026. The exploitation is known to be easy. The attack may be initiated remotely. It demands that the victim is doing some kind of user interaction. Technical details are known, but no exploit is available. MITRE ATT&CK project uses the attack technique T1059.007 for this issue.

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

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Productinfo

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA CVSS-B Score: 🔒
CNA CVSS-BT Score: 🔒
CNA Vector: 🔒

CVSSv3info

VulDB Meta Base Score: 3.5
VulDB Meta Temp Score: 3.5

VulDB Base Score: 3.5
VulDB Temp Score: 3.5
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
Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔒

Timelineinfo

09/03/2026 CVE reserved
09/14/2026 +11 days Advisory disclosed
09/14/2026 +0 days VulDB entry created
09/14/2026 +0 days VulDB entry last update

Sourcesinfo

Advisory: regularlabs.com
Status: Not defined

CVE: CVE-2026-85191 (🔒)
GCVE (CVE): GCVE-0-2026-85191
GCVE (VulDB): GCVE-100-403421

Entryinfo

Created: 09/14/2026 08:33
Changes: 09/14/2026 08:33 (67)
Complete: 🔍
Cache ID: 216::103

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