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SQL injection in Exponent CMS XML-RPC userLogin function

Priority HIGH 70CWE-74Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Attack requirements
None
Impact type
SQL injection
Confidentiality · integrity · availability
Low · Low · Low
Fix status
No fix listed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-89.

Summary

Exponent CMS up to 3.0.2patch2 is affected. Improper neutralization of special elements in the XML-RPC userLogin function of xmlrpc.php lets crafted input alter SQL commands (CWE-89). A remote attacker without privileges or user interaction can exploit it over the network. The exploit has been publicly disclosed and may be used.

Written with Claude Haiku 5.5 from the sources below · 2026-10-29

Description from the CNA

A vulnerability has been found in Exponent CMS up to 3.0.2patch2. Affected is the function userLogin of the file xmlrpc.php of the component XML-RPC. Such manipulation leads to sql injection. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00254 17th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
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

VendorProductAffected versionsFixed inStatusSource
ExponentCMS3.0.2patch1; 3.0.2patch2—No fix listedCNA
  • CMS VendorExponent Affected 3.0.2patch1; 3.0.2patch2 Fixed in — No fix listed CNA

CPE names CNA · 1

CPEVersionsRoleVendor
cpe:2.3:a:exponent:cms:*:*:*:*:*:*:*:*——Exponent
  • cpe:2.3:a:exponent:cms:*:*:*:*:*:*:*:* Versions — — ·Exponent

Remediation

The sources list no fixed version for Exponent CMS.

Written with Claude Haiku 5.5 from the sources below · 2026-10-29

Timeline

  1. 2026-10-12 Threatist record created from CVE-2026-108900
  2. 2026-10-12 Alias added: GHSA-69p7-vpq6-728f
  3. 2026-10-13 Priority changed: MEDIUM → LOW
  4. 2026-10-16 CISA SSVC decision points changed
  5. 2026-10-16 Priority changed: LOW → HIGH

References

  • TI-2006-01553 Unspecified vulnerability in Exponent CMS before 0.96.5 RC 1 has unknown impact and… CVSS 2.0HIGH 10.0
  • TI-2005-03558 The image gallery (imagegallery) component in Exponent CMS 0.96.3 and later versions does… CVSS 2.0HIGH 10.0
  • TI-2006-04781 Directory traversal vulnerability in index.php in Exponent CMS 0.96.3 allows remote… CVSS 2.0MEDIUM 6.4
  • TI-2006-01554 Unspecified vulnerability in the image module in Exponent CMS before 0.96.5 RC 1 allows… CVSS 2.0HIGH 7.5
  • TI-2005-03559 Exponent CMS 0.96.3 and later versions performs a chmod on uploaded files to give them… CVSS 2.0HIGH 7.5
  • TI-2006-01556 Unspecified vulnerability in the banner module in Exponent CMS before 0.96.5 RC 1 allows… CVSS 2.0HIGH 7.5
See all 16 →

Sources