CVE-2026-79701 joomshaper.com CVE debrief

Who should care

Defenders responsible for Joomla installations using the SP Page Builder Pro extension, especially those using the Contact, Opt-in, and Form Builder addons, should assess exposure and verify CAPTCHA configuration.

Why it matters

CVE-2026-79701 is a medium-severity CAPTCHA bypass vulnerability in the SP Page Builder Pro Joomla extension. Defenders should prioritize verifying exposure, especially for instances using the affected addons, and assess CAPTCHA configuration and module usage.

• Potential unauthorized form submissions
• Bypass of CAPTCHA verification
• Possible spam or abuse of affected forms
• Verification of CAPTCHA configuration and module usage required

Technical summary

The vulnerability is caused by the discard of the CAPTCHA plugin's onCheckAnswer event result and replacement with a test for a non-empty string when the request-supplied view_type parameter equals 'module'. This allows attackers to bypass CAPTCHA verification by submitting 'view_type=module' with an arbitrary token value. The affected addons, Contact, Opt-in, and Form Builder, are commonly used in SP Page Builder Pro instances, making it essential for defenders to verify exposure and assess CAPTCHA configuration and module usage. The vulnerability affects SP Page Builder Pro versions 3.2.6 - 5.6.1p2 and 6.0.0 - 6.9.0, and it is crucial for defenders to prioritize verifying exposure, especially for instances of

Defensive priority

Defenders should prioritize verifying exposure of SP Page Builder Pro instances, especially those using the affected addons, and assess the configuration of CAPTCHA and module usage.

Recommended defensive actions

• Verify exposure of SP Page Builder Pro instances, especially those using the affected addons
• Assess the configuration of CAPTCHA and module usage
• Consider upgrading to a non-affected version of SP Page Builder Pro
• Review compensating controls for exposed systems while remediation is scheduled and verified
• Check relevant monitoring, detection, and logs for exposed assets that need extra review
• Track exceptions, retest remediated assets, and close the item only after evidence is documented
• Confirm whether affected product deployments exist in managed environments and assign an owner for follow-up

Evidence notes

The CVE record and NVD entry provide details on the vulnerability, including its description, CVSS score, and affected versions. However, the exact scope of affected installations and potential impact require further verification.

Sources and references

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.