Fiserv Accurate Reconciliation 2.19.0, fixed in 3.0.0 or higher, allows XSS via the…
Priority LOW 25CWE-79Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Cross-site scripting
- Confidentiality · integrity · availability
- Low · Low · None
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-79.
Summary
Fiserv Accurate Reconciliation 2.19.0, fixed in 3.0.0 or higher, allows XSS via the Source or Destination field of the Configuration Manager (Configuration Parameter Translation) page.
Why it matters now
EPSS 0.00637 50th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2020-8951
- 2026-10-03 Alias added: GHSA-hxxc-q83m-jxjh
- 2026-10-25 EPSS moved to the 50th–90th percentile
References
More Fiserv Accurate Reconciliation vulnerabilities
- TI-2020-07186 Fiserv Accurate Reconciliation 2.19.0, fixed in 3.0.0 or higher, allows XSS via the logout.jsp timeOut parameter. CVSS 3.1MEDIUM 6.1
Sources
- CVE-2020-8951 · CVE Program
- CVE-2020-8951 · NVD
- FIRST EPSS
- GHSA-hxxc-q83m-jxjh · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences