CVE-2026-58591
MEDIUM 5.4 ALL-YEARSImproper 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.
LIMITED SIGNALS
No known exploitation, public exploit, or elevated probability at this time. Track for changes.
Exploitation likelihood
0.1%chance of exploitation in 30 days · 3rd percentile
○ In CISA KEV○ Public exploit / PoC◆ SSVC: exploitation none, automatable no
Impact if exploited
5.4CVSS 3.1 · MEDIUM · ADP
- ConfidentialityLow
- IntegrityLow
- AvailabilityNone
What an attacker needs
- ✓Access: Reachable over the network — no local access needed
- ⚠Privileges: Requires a low-privilege account
- ⚠User interaction: A user must take an action (click / open a file)
- ✓Complexity: No special conditions — reliably repeatable
✓ lowers the bar for an attacker · ⚠ raises it
Proof of concept & exploit code
No public exploit or proof-of-concept code is catalogued for this CVE (no ExploitDB, Nuclei, or CISA-KEV entry). It may still exist — search GitHub or check the references below.
Weakness (CWE)
- CWE-79: Improper Neutralization of Input During Web Page Generation ("Cross-site Scripting")
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
Known Affected Software Configurations
| Vendor | Product | Version range |
|---|---|---|
| Colorbox Project | Colorbox | < 2.1.5 |
| Colorbox Project | Colorbox | 2.2.0 |
All CVSS metrics
- MEDIUM 5.4 v3.1 · ADP Primary
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N - MEDIUM 5.4 v3.1 · NVD Secondary
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N