Open redirect in PublicCMS pay endpoint via returnUrl parameter
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- Passive
- Attack complexity
- Low
- Attack requirements
- None
- Impact type
- Spoofing
- Confidentiality · integrity · availability
- None · Low · None
- Fix status
- No fix listed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-601.
Summary
The source describes PublicCMS up to 5.202608.a as affected. Manipulating the returnUrl argument in the pay endpoint's SafeConfigComponent.getSafeUrl function enables an open redirect (CWE-601). A remote attacker without privileges can launch the attack, though a user must interact with it. A public exploit has been disclosed and may be used, and the vendor did not respond to early contact about the disclosure.
Written with Claude Haiku 5.5 from the sources below · 2026-10-27
Description from the CNA
A vulnerability was determined in PublicCMS up to 5.202608.a. Affected by this issue is the function SafeConfigComponent.getSafeUrl of the file publiccms-core/src/main/java/com/publiccms/logic/component/config/SafeConfigComponent.java of the component pay Endpoint. Executing a manipulation of the argument returnUrl can lead to open redirect. It is possible to launch the attack remotely. The exploit has been publicly disclosed and may be utilized. The vendor was contacted early about this disclosure but did not respond in any way.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- Yes
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | PublicCMS | 5.202608.a | — | No fix listed | CNA |
- PublicCMS Vendor— Affected 5.202608.a Fixed in — No fix listed CNA
Remediation
The sources list no fixed version for PublicCMS.
Written with Claude Haiku 5.5 from the sources below · 2026-10-27
Timeline
- 2026-10-13 Threatist record created from CVE-2026-109160
- 2026-10-16 CISA SSVC decision points changed
References
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Sources
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences