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TI-2026-13342 Aliases CVE-2026-15928GHSA-mrjw-v97f-vmwh

Cross-site scripting in XMLRPC-C

Priority LOW 35CWE-79Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
Active
Attack complexity
Low
Attack requirements
None
Impact type
Cross-site scripting
Confidentiality · integrity · availability
High · None · None
Fix status
Partial Red Hat: 16 fixed, 1 without a fix

Attack profile from CVSS 4.0 · CNA. Fix status from CNA and Red Hat. Impact type from CWE-79.

Summary

XMLRPC-C Library versions 1.07 through 1.67.01 are vulnerable to a reflected cross-site scripting (XSS) vulnerability in the error page component.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00283 20th percentileScored 2026-11-07
Fix Partial Red Hat: 9 advisoriesRed Hat: 16 fixed, 1 without a fix

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
XMLRPC-CXMLRPC-C1.07 – 1.67.01; 1.07 – 1.64.03—No fix listedCNA
  • XMLRPC-C VendorXMLRPC-C Affected 1.07 – 1.67.01; 1.07 – 1.64.03 Fixed in — No fix listed CNA

Remediation

Red Hat 9 advisories

  • RHSA-2026:64772 Released 2026-09-08 · Red Hat rating Important
    xmlrpc-c security update
    • Red Hat Enterprise Linux BaseOS (v. 8) xmlrpc-c-1.51.0-11.el8_10.1, xmlrpc-c-client-1.51.0-11.el8_10.1
    • Red Hat Enterprise Linux CRB (v. 8) xmlrpc-c-c++-1.51.0-11.el8_10.1, xmlrpc-c-client++-1.51.0-11.el8_10.1, xmlrpc-c-devel-1.51.0-11.el8_10.1
  • RHSA-2026:61316 Released 2026-08-31 · Red Hat rating Important
    xmlrpc-c security update
    • Red Hat Enterprise Linux AppStream (v. 9) xmlrpc-c-1.51.0-17.el9_8, xmlrpc-c-client-1.51.0-17.el9_8
    • Red Hat Enterprise Linux CodeReady Linux Builder (v. 9) xmlrpc-c-c++-1.51.0-17.el9_8, xmlrpc-c-client++-1.51.0-17.el9_8, xmlrpc-c-devel-1.51.0-17.el9_8
  • RHSA-2026:61315 Released 2026-08-31 · Red Hat rating Important
    xmlrpc-c security update
    • Red Hat CodeReady Linux Builder EUS (v.9.6) xmlrpc-c-c++-1.51.0-16.el9_6.1, xmlrpc-c-client++-1.51.0-16.el9_6.1, xmlrpc-c-devel-1.51.0-16.el9_6.1
    • Red Hat Enterprise Linux AppStream EUS (v.9.6) xmlrpc-c-1.51.0-16.el9_6.1, xmlrpc-c-client-1.51.0-16.el9_6.1
Show 6 more Red Hat advisories
  • RHSA-2026:61232 Released 2026-08-31 · Red Hat rating Important
    xmlrpc-c security update
    • Red Hat Enterprise Linux AppStream E4S (v.9.4) xmlrpc-c-1.51.0-16.el9_4.1, xmlrpc-c-client-1.51.0-16.el9_4.1
  • RHSA-2026:61234 Released 2026-08-31 · Red Hat rating Important
    xmlrpc-c security update
    • Red Hat Enterprise Linux Server (v. 7 ELS) xmlrpc-c-1.32.5-1905.svn2451.el7_9.1, xmlrpc-c-1.32.5-1905.svn2451.el7_9.1.ppc, xmlrpc-c-client-1.32.5-1905.svn2451.el7_9.1 +1
    • Red Hat Enterprise Linux Server Optional (v. 7 ELS) xmlrpc-c-apps-1.32.5-1905.svn2451.el7_9.1, xmlrpc-c-c++-1.32.5-1905.svn2451.el7_9.1, xmlrpc-c-c++-1.32.5-1905.svn2451.el7_9.1.ppc +4
  • RHSA-2026:61231 Released 2026-08-31 · Red Hat rating Important
    xmlrpc-c security update
    • Red Hat Enterprise Linux AppStream E4S (v.9.2) xmlrpc-c-1.51.0-16.el9_2.1, xmlrpc-c-client-1.51.0-16.el9_2.1
  • RHSA-2026:61235 Released 2026-08-31 · Red Hat rating Important
    xmlrpc-c security update
    • Red Hat Enterprise Linux BaseOS E4S (v.8.8) xmlrpc-c-1.51.0-8.el8_8.2, xmlrpc-c-client-1.51.0-8.el8_8.2
    • Red Hat Enterprise Linux BaseOS TUS (v.8.8) xmlrpc-c-1.51.0-8.el8_8.2, xmlrpc-c-client-1.51.0-8.el8_8.2
  • RHSA-2026:61233 Released 2026-08-31 · Red Hat rating Important
    xmlrpc-c security update
    • Red Hat Enterprise Linux BaseOS AUS (v.8.6) xmlrpc-c-1.51.0-6.el8_6.2, xmlrpc-c-client-1.51.0-6.el8_6.2
    • Red Hat Enterprise Linux BaseOS EUS EXTENSION (v.8.6) xmlrpc-c-1.51.0-6.el8_6.2, xmlrpc-c-client-1.51.0-6.el8_6.2
  • RHSA-2026:61236 Released 2026-08-31 · Red Hat rating Important
    xmlrpc-c security update
    • Red Hat Enterprise Linux BaseOS AUS (v.8.4) xmlrpc-c-1.51.0-5.el8_4.3, xmlrpc-c-client-1.51.0-5.el8_4.3
    • Red Hat Enterprise Linux BaseOS EUS EXTENSION (v.8.4) xmlrpc-c-1.51.0-5.el8_4.3, xmlrpc-c-client-1.51.0-5.el8_4.3

Vendor assessments

Red Hat

Red Hat rating: Important. Red Hat's page for this CVE →

ProductStatusPlan or fix
Red Hat Enterprise Linux 6AffectedNo fix planned: Out of support scope
Red Hat CodeReady Linux Builder EUS (v.9.6)Fixed RHSA-2026:61315
Red Hat Enterprise Linux AppStream (v. 9)Fixed RHSA-2026:61316
Red Hat Enterprise Linux AppStream E4S (v.9.2)Fixed RHSA-2026:61231
Red Hat Enterprise Linux AppStream E4S (v.9.4)Fixed RHSA-2026:61232
Red Hat Enterprise Linux AppStream EUS (v.9.6)Fixed RHSA-2026:61315
Red Hat Enterprise Linux BaseOS (v. 8)Fixed RHSA-2026:64772
Red Hat Enterprise Linux BaseOS AUS (v.8.4)Fixed RHSA-2026:61236
Red Hat Enterprise Linux BaseOS AUS (v.8.6)Fixed RHSA-2026:61233
Red Hat Enterprise Linux BaseOS E4S (v.8.8)Fixed RHSA-2026:61235
Red Hat Enterprise Linux BaseOS EUS EXTENSION (v.8.4)Fixed RHSA-2026:61236
Red Hat Enterprise Linux BaseOS EUS EXTENSION (v.8.6)Fixed RHSA-2026:61233
Red Hat Enterprise Linux BaseOS TUS (v.8.8)Fixed RHSA-2026:61235
Red Hat Enterprise Linux CRB (v. 8)Fixed RHSA-2026:64772
Red Hat Enterprise Linux CodeReady Linux Builder (v. 9)Fixed RHSA-2026:61316
Red Hat Enterprise Linux Server (v. 7 ELS)Fixed RHSA-2026:61234
Red Hat Enterprise Linux Server Optional (v. 7 ELS)Fixed RHSA-2026:61234

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-15928
  2. 2026-10-03 Alias added: GHSA-mrjw-v97f-vmwh

References

Advisory 2

Sources

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