Is CVE-2026-78263 exploited in the wild?

No. Junglewise Threat Intelligence has no report of CVE-2026-78263 being exploited in the wild.

How severe is CVE-2026-78263?

High severity, with a CVSS score of 7.1, published 24 August 2026.

Which products and versions are affected?

StellarWP Event Tickets <= 5.29.2.1.

Is there a fix for CVE-2026-78263?

A patch was published on 2026-08-24: Patched in version 5.29.3 Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

How is CVE-2026-78263 attacked?

It is attacked over the network, in a web application.

Am I affected by CVE-2026-78263?

Check whether you run StellarWP Event Tickets at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

CVE-2026-78263: Event Tickets cross-site scripting in WordPress plugin

Q: Is there a fix for CVE-2026-78263?

A patch was published on 2026-08-24: Patched in version 5.29.3 Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

Q: How is CVE-2026-78263 attacked?

It is attacked over the network, in a web application.

Q: Am I affected by CVE-2026-78263?

Check whether you run StellarWP Event Tickets at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

CVE-2026-78263 · Severity: high · CVSS 7.1 · Published 2026-08-24

Event Tickets is a popular WordPress plugin for selling event tickets and managing bookings. This vulnerability allows unauthenticated attackers to inject malicious scripts into the website, which can be executed in the browsers of visitors and administrators. Successful attacks could steal customer data, compromise user accounts, or redirect visitors to phishing sites, impacting customer trust and business operations.

Technologies: StellarWP Event Tickets. Vendors: StellarWP.

Quick answers

Is CVE-2026-78263 exploited in the wild?: No. Junglewise Threat Intelligence has no report of CVE-2026-78263 being exploited in the wild.
How severe is CVE-2026-78263?: High severity, with a CVSS score of 7.1, published 24 August 2026.
Which products and versions are affected?: StellarWP Event Tickets <= 5.29.2.1.
Is there a fix for CVE-2026-78263?: A patch was published on 2026-08-24: Patched in version 5.29.3 Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
How is CVE-2026-78263 attacked?: It is attacked over the network, in a web application.
Am I affected by CVE-2026-78263?: Check whether you run StellarWP Event Tickets at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

Technical details

This is an unauthenticated cross-site scripting (XSS) vulnerability in the Event Tickets WordPress plugin affecting versions up to 5.29.2.1. The vulnerability allows attackers to inject malicious JavaScript code that executes in the context of the affected website, though successful exploitation requires user interaction (e.g., clicking a malicious link or visiting a crafted page). The attack vector is network-based and does not require authentication or elevated privileges. Attackers can steal session cookies, perform actions on behalf of users, or redirect visitors to malicious sites. The vulnerability has been patched in version 5.29.3 and later, and a mitigation rule is available from Patchstack to block attacks.

Affected products

StellarWP Event Tickets <= 5.29.2.1

Timeline

2026-08-24: disclosed
2026-08-24: patched: Patched in version 5.29.3

References

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