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CVE-2026-85630

HTML::FormHandler versions before 0.410002 for Perl render field attributes into HTML without escaping using the process_attrs method

6.1 MediumFix available

HTML::FormHandler versions before 0.410002 for Perl render field attributes into HTML without escaping using the process_attrs method.

Any application with fields or field labels where some attributes are built from data rather than literals allows attacker-influenced text in an attribute value that can override the field attributes or embed JavaScript in rendered pages.

For example, the RadioGroup widget uses the process_attrs method via the render_option and wrap_radio methods.

Attack profile

How easy it is to exploit

Attack vector
Network
Complexity
Low
Privileges needed
None
User interaction
Required

What an attacker can affect

Confidentiality
Low
Integrity
Low
Availability
None

Exploit likelihood

0.24%Unchanged since Sep 9, 2026
90%50%10%1%

What each source reports

CVE List Score used 6.1

HTML::FormHandler versions before 0.410002 for Perl render field attributes into HTML without escaping using the process_attrs method

HTML::FormHandler versions before 0.410002 for Perl render field attributes into HTML without escaping using the process_attrs method.

Any application with fields or field labels where some attributes are built from data rather than literals allows attacker-influenced text in an attribute value that can override the field attributes or embed JavaScript in rendered pages.

For example, the RadioGroup widget uses the process_attrs method via the render_option and wrap_radio methods.

Record
CVE-2026-85630
CVSS 3.1
6.1 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Weakness
CWE-79
Updated
2026-11-02
EUVDEUVD-2026-74170 6.1

HTML::FormHandler versions before 0.410002 for Perl render field attributes into HTML without escaping using the process_attrs method.

Any application with fields or field labels where some attributes are built from data rather than literals allows attacker-influenced text in an attribute value that can override the field attributes or embed JavaScript in rendered pages.

For example, the RadioGroup widget uses the process_attrs method via the render_option and wrap_radio methods.

Record
EUVD-2026-74170
CVSS 3.1
6.1 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Updated
2026-11-02
GitHub AdvisoriesGHSA-4qf4-6x5x-m29p 6.1

HTML::FormHandler versions before 0.410002 for Perl render field attributes into HTML without...

HTML::FormHandler versions before 0.410002 for Perl render field attributes into HTML without escaping using the process_attrs method.

Any application with fields or field labels where some attributes are built from data rather than literals allows attacker-influenced text in an attribute value that can override the field attributes or embed JavaScript in rendered pages.

For example, the RadioGroup widget uses the process_attrs method via the render_option and wrap_radio methods.

Record
GHSA-4qf4-6x5x-m29p
CVSS 3.1
6.1 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Weakness
CWE-79
Updated
2026-11-02
NVD 6.1

HTML::FormHandler versions before 0.410002 for Perl render field attributes into HTML without escaping using the process_attrs method.

Any application with fields or field labels where some attributes are built from data rather than literals allows attacker-influenced text in an attribute value that can override the field attributes or embed JavaScript in rendered pages.

For example, the RadioGroup widget uses the process_attrs method via the render_option and wrap_radio methods.

Record
CVE-2026-85630
CVSS 3.1
6.1 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Weakness
CWE-79
Updated
2026-11-02
OSV 6.1

HTML::FormHandler versions before 0.410002 for Perl render field attributes into HTML without escaping using the process_attrs method

HTML::FormHandler versions before 0.410002 for Perl render field attributes into HTML without escaping using the process_attrs method.

Any application with fields or field labels where some attributes are built from data rather than literals allows attacker-influenced text in an attribute value that can override the field attributes or embed JavaScript in rendered pages.

For example, the RadioGroup widget uses the process_attrs method via the render_option and wrap_radio methods.

Record
CVE-2026-85630
CVSS 3.1
6.1 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Weakness
CWE-79
Updated
2026-11-02
OSVDEBIAN-CVE-2026-85630 6.1

HTML::FormHandler versions before 0.410002 for Perl render field attributes into HTML without escaping using the process_attrs method. Any application with fields or field labels where some attributes are built from data rather than literals allows attacker-influenced text in an attribute value that can override the field attributes or embed JavaScript in rendered pages. For example, the RadioGroup widget uses the process_attrs method via the render_option and wrap_radio methods.

Record
DEBIAN-CVE-2026-85630
CVSS 3.1
6.1 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Updated
2026-11-02
OSVUBUNTU-CVE-2026-85630 6.1

HTML::FormHandler versions before 0.410002 for Perl render field attributes into HTML without escaping using the process_attrs method. Any application with fields or field labels where some attributes are built from data rather than literals allows attacker-influenced text in an attribute value that can override the field attributes or embed JavaScript in rendered pages. For example, the RadioGroup widget uses the process_attrs method via the render_option and wrap_radio methods.

Record
UBUNTU-CVE-2026-85630
CVSS 3.1
6.1 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Updated
2026-11-02
OSVopenSUSE-SU-2026:11745-1 No score

perl-HTML-FormHandler-0.410.2-1.1 on GA media

These are all security issues fixed in the perl-HTML-FormHandler-0.410.2-1.1 package on the GA media of openSUSE Tumbleweed.

Record
openSUSE-SU-2026:11745-1
Updated
2026-11-02

Affected packages

Affected packages
PackageAffectedFixed
libhtml-formhandler-perl
Debian:12
All versions, plus listed versions
0.40068-20.40068-30.410002-1
None known
libhtml-formhandler-perl
Debian:13
All versions, plus listed versions
0.40068-20.40068-30.410002-1
None known
libhtml-formhandler-perl
Debian:14
before 0.410002-1, plus listed versions
0.40068-20.40068-3
0.410002-1
libhtml-formhandler-perl
Ubuntu:16.04:LTS
All versions, plus listed versions
0.40057-10.40064-1
None known
libhtml-formhandler-perl
Ubuntu:18.04:LTS
All versions, plus listed versions
0.40067-10.40068-1
None known
libhtml-formhandler-perl
Ubuntu:20.04:LTS
All versions, plus listed versions
0.40068-1
None known
libhtml-formhandler-perl
Ubuntu:22.04:LTS
All versions, plus listed versions
0.40068-1
None known
libhtml-formhandler-perl
Ubuntu:24.04:LTS
All versions, plus listed versions
0.40068-2
None known
libhtml-formhandler-perl
Ubuntu:26.10
All versions, plus listed versions
0.40068-20.40068-3
None known
libhtml-formhandler-perl
Ubuntu:26.04:LTS
All versions, plus listed versions
0.40068-2
None known
perl-HTML-FormHandler
openSUSE:Tumbleweed
From an advisory covering 5 CVEs
before 0.410.2-1.1
0.410.2-1.1

History

History
RecordedChangedSources
affected, facts
first indexedCVE List, EUVD, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2026-85630 is a medium vulnerability (CVSS 6.1) in libhtml-formhandler-perl, published September 8, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.24%, the 15th percentile. Fixed in libhtml-formhandler-perl 0.410002-1.

References

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