PatchTheCVECVE-2026-58591: Improper Neutralization of Input During Web Page Generation ("Cross-site Scripting") vulnerability in Drupal C
CVE-2026-58591 is a medium-severity flaw (CVSS 5.4) affecting colorbox. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
Improper Neutralization of Input During Web Page Generation ("Cross-site Scripting") vulnerability in Drupal Colorbox allows Cross-Site Scripting (XSS). This issue affects Colorbox versions: from 0.0.0 to 2.1.5, from 0.0.0 to 2.2.0.
Why this priority
- No elevated risk signals yet
A fixed release or distro patch exists.
Risk facts
| CVSS score | 5.4 (Medium) |
| Attack vector | Network (remote) |
| Attack complexity | Low |
| Privileges needed | Low |
| User interaction | Required |
| EPSS exploit chance | 0.2% (top 86%) |
| CISA exploited list | No |
| Weakness | CWE-79 |
| Published | 2026-07-10 |
| Last modified | 2026-10-25 |
Last updated 2026-10-25 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score
Am I affected?
Timeline
- Published CVE record published
- Updated Record last modified
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
Quick answers
How do I fix CVE-2026-58591?
colorbox: upgrade to 2.1.5. Exact commands for each OS are on this page.
Is CVE-2026-58591 being exploited?
CVE-2026-58591 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.
What does CVE-2026-58591 affect?
CVE-2026-58591 affects colorbox. Severity is medium (CVSS 5.4). Improper Neutralization of Input During Web Page Generation ("Cross-site Scripting") vulnerability in Drupal Colorbox allows Cross-Site Scripting (XSS). This issue affects Colorbox versions: from 0.0.0 to 2.1.5, from 0.0.0 to 2.2.0.
How urgent is CVE-2026-58591?
Priority 22/100. No elevated risk signals yet.