CVE-2026-114531 drupal CVE debrief

Who should care

Defenders responsible for managing Drupal installations, specifically those using the drupal/swiper_formatter module, should assess exposure and prioritize updates for affected versions. Defenders should verify exposure and update affected versions. Defenders should also manage roles with caption editing permissions to mitigate this vulnerability.

Why it matters

CVE-2026-114531 is a cross-site scripting (XSS) vulnerability in the drupal/swiper_formatter module. Defenders should verify exposure, update affected versions, and manage roles with caption editing permissions to mitigate this vulnerability.

• Requires verification of affected versions and updating to fixed versions
• Necessitates management of roles with caption editing permissions
• May lead to XSS attacks if not properly mitigated

Technical summary

The drupal/swiper_formatter module integrates with the SwiperJs library and is vulnerable to cross-site scripting (XSS) due to inadequate filtering of user-entered text in slide captions. An attacker must have a role with permission to edit captions to exploit this vulnerability. The vulnerability is mitigated by the fact that an attacker would need a role with permission to edit the caption. Defenders should prioritize verifying and updating affected versions of the drupal/swiper_formatter module, specifically those less than 2.1.2 or between 3.0.1 and 3.1.0, and ensure that roles with caption editing permissions are properly managed.

Defensive priority

Defenders should prioritize verifying and updating affected versions of the drupal/swiper_formatter module, specifically those less than 2.1.2 or between 3.0.1 and 3.1.0, and ensure that roles with caption editing permissions are properly managed.

Recommended defensive actions

• Verify and update affected versions of the drupal/swiper_formatter module
• Manage roles with caption editing permissions
• Monitor for suspicious activity related to caption editing
• 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 vulnerability is confirmed by the CVE Program and NVD records, as well as a source item from osv_dev. The affected versions and ranges are specified in the source item. Defenders should verify exposure and update affected versions. The drupal/swiper_formatter module integrates with the SwiperJs library and is vulnerable to cross-site scripting (XSS) due to inadequate filtering of user-entered text in slide captions.

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.