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TI-2026-21933 Aliases CVE-2026-27539GHSA-845x-v9mv-jq7m

WordPress Welcart e-Commerce plugin <= 2.11.31 - Cross Site Scripting (XSS) vulnerability

Priority LOW 31CWE-79Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
Required
Attack complexity
Low
Impact type
Cross-site scripting
Confidentiality · integrity · availability
Low · Low · Low
Fix status
No fix listed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-79.

Summary

Unauthenticated Cross Site Scripting (XSS) in Welcart e-Commerce <= 2.11.31 versions.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00251 16th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
uscnanbuWelcart e-Commerceup to 2.11.31—No fix listedCNA
  • Welcart e-Commerce Vendoruscnanbu Affected up to 2.11.31 Fixed in — No fix listed CNA

CPE names Threatist (inferred) · 1

Inferred from how NVD named this product before; not given by a source.

CPEVersionsRoleVendor
cpe:2.3:a:welcart:welcart_e-commerce:*:*:*:*:*:*:*:*——uscnanbu
  • cpe:2.3:a:welcart:welcart_e-commerce:*:*:*:*:*:*:*:* Versions — — ·uscnanbu

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-27539
  2. 2026-10-03 Alias added: GHSA-845x-v9mv-jq7m

References

Other 1

  • TI-2023-05484 Welcart e-Commerce < 2.9.5 - Subscriber+ Arbitrary File Upload CVSS 3.1HIGH 8.8
  • TI-2022-03880 Welcart e-Commerce < 2.8.6 - Subscriber+ PHAR Deserialisation CVSS 3.1HIGH 8.8
  • TI-2022-03786 Welcart e-Commerce < 2.8.5 - Unauthenticated Arbitrary File Access CVSS 3.1HIGH 7.5
  • TI-2026-84126 Cross-site scripting in Welcart e-Commerce Plugin payment error page CVSS 4.0MEDIUM 5.3
  • TI-2022-03879 Welcart e-Commerce < 2.8.5 - Subscriber+ Arbitrary File Access CVSS 3.1MEDIUM 6.5
  • TI-2022-03618 Welcart e-Commerce < 2.8.4 - Subscriber+ Arbitrary Shipping Method Creation/Update/Deletion CVSS 3.1MEDIUM 6.5
See all 52 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences