Stored cross-site scripting in Thelia administrative interface
Key facts
- Attack vector
- Network
- Privileges required
- High
- 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 · CISA ADP. Fix status from CNA. Impact type from CWE-79.
Summary
Thelia through 2.6.0 contains multiple stored cross-site scripting flaws (CWE-79) in its administrative interface. User input is stored without sufficient output encoding or sanitization and is later rendered in the admin interface or the web store's product pages. A remote attacker with high privileges can run arbitrary JavaScript when a user views the affected pages, and the affected functions include category and product creation.
Written with Claude Haiku 5.5 from the sources below · 2026-10-29
Description from the CNA
Thelia v2.6.0 is vulnerable to multiple stored XSS vulnerabilities within the administrative interface. User-supplied input is stored without sufficient output encoding or sanitization and is later rendered in the administrator interface and/or the web store's product pages, allowing arbitrary JavaScript execution when the affected pages are viewed. The vulnerability affects multiple administrative functions including category creation and product creation.
Why it matters now
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
Remediation
The sources list no fixed version for Thelia.
Written with Claude Haiku 5.5 from the sources below · 2026-10-29
Timeline
- 2026-10-12 Threatist record created from CVE-2026-103524
- 2026-10-12 Alias added: GHSA-2749-m95v-4rfr
- 2026-10-16 CVSS score added · CISA ADP
- 2026-10-16 Weakness changed · CISA ADP
- 2026-10-16 CISA SSVC decision points changed
References
More Thelia vulnerabilities
- TI-2026-83555 Stored cross-site scripting in Thelia via coupon customer names CVSS 4.0HIGH 7.4
- TI-2026-83574 Cross-site request forgery in Thelia back-office product combination routes CVSS 4.0MEDIUM 6.9
- TI-2026-83557 CSRF in Thelia Page Module delete routes lets attackers remove images CVSS 4.0HIGH 7.0
- TI-2026-83556 Thelia back office CSRF via leaked URL tokens and unprotected actions CVSS 4.0MEDIUM 5.9
- TI-2026-71031 CSV formula injection in Thelia exports lets visitors run spreadsheet formulas CVSS 4.0LOW 2.3
- TI-2026-71005 Thelia translation editor flaws allow remote code execution CVSS 3.1HIGH 8.8
Sources
- CVE-2026-103524 · CVE Program
- CVE-2026-103524 · NVD
- FIRST EPSS
- GHSA-2749-m95v-4rfr · 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