CVE-2026-120648
CGI versions before 5.00 for Perl allow HTML injection via text containing --> in comment
CGI versions before 5.00 for Perl allow HTML injection via text containing --> in comment.
Arguments are placed between <!-- and --> without escaping, so text containing --> closes the comment early.
An application that passes request data to comment can be made to inject HTML into the page.
Exploit likelihood
What each source reports
CVE List No score
CGI versions before 5.00 for Perl allow HTML injection via text containing --> in comment
CGI versions before 5.00 for Perl allow HTML injection via text containing --> in comment.
Arguments are placed between <!-- and --> without escaping, so text containing --> closes the comment early.
An application that passes request data to comment can be made to inject HTML into the page.
- Record
CVE-2026-120648- Weakness
- CWE-79
- Updated
- 2026-11-04
EUVDEUVD-2026-116615 No score
CGI versions before 5.00 for Perl allow HTML injection via text containing --> in comment.
Arguments are placed between <!-- and --> without escaping, so text containing --> closes the comment early.
An application that passes request data to comment can be made to inject HTML into the page.
- Record
EUVD-2026-116615- Updated
- 2026-11-04
GitHub AdvisoriesGHSA-v6fq-x7rj-cvvm No score
CGI versions before 5.00 for Perl allow HTML injection via text containing --> in comment. ...
CGI versions before 5.00 for Perl allow HTML injection via text containing --> in comment.
Arguments are placed between <!-- and --> without escaping, so text containing --> closes the comment early.
An application that passes request data to comment can be made to inject HTML into the page.
- Record
GHSA-v6fq-x7rj-cvvm- Weakness
- CWE-79
- Updated
- 2026-11-04
NVD No score
CGI versions before 5.00 for Perl allow HTML injection via text containing --> in comment.
Arguments are placed between <!-- and --> without escaping, so text containing --> closes the comment early.
An application that passes request data to comment can be made to inject HTML into the page.
- Record
CVE-2026-120648- Weakness
- CWE-79
- Updated
- 2026-11-04
OSVAZL-112783 No score
CVE-2026-120648 affecting package perl-CGI 4.60-1
CGI versions before 5.00 for Perl allow HTML injection via text containing --> in comment.
Arguments are placed between <!-- and --> without escaping, so text containing --> closes the comment early.
An application that passes request data to comment can be made to inject HTML into the page.
- Record
AZL-112783- Updated
- 2026-11-07
OSV No score
CGI versions before 5.00 for Perl allow HTML injection via text containing --> in comment
CGI versions before 5.00 for Perl allow HTML injection via text containing --> in comment.
Arguments are placed between <!-- and --> without escaping, so text containing --> closes the comment early.
An application that passes request data to comment can be made to inject HTML into the page.
- Record
CVE-2026-120648- Weakness
- CWE-79
- Updated
- 2026-11-07
OSVDEBIAN-CVE-2026-120648 No score
CGI versions before 5.00 for Perl allow HTML injection via text containing --> in comment. Arguments are placed between <!-- and --> without escaping, so text containing --> closes the comment early. An application that passes request data to comment can be made to inject HTML into the page.
- Record
DEBIAN-CVE-2026-120648- Updated
- 2026-11-05
OSVopenSUSE-SU-2026:12465-1 No score
perl-CGI-5.20.0-1.1 on GA media
These are all security issues fixed in the perl-CGI-5.20.0-1.1 package on the GA media of openSUSE Tumbleweed.
- Record
openSUSE-SU-2026:12465-1- Updated
- 2026-11-07
OSVUBUNTU-CVE-2026-120648 No score
CGI versions before 5.00 for Perl allow HTML injection via text containing --> in comment. Arguments are placed between <!-- and --> without escaping, so text containing --> closes the comment early. An application that passes request data to comment can be made to inject HTML into the page.
- Record
UBUNTU-CVE-2026-120648- Updated
- 2026-11-05
Affected packages
| Package | Affected | Fixed |
|---|---|---|
perl-CGIAzure Linux:3 |
through 4.60-1 | None known |
libcgi-pm-perlDebian:12 |
All versions, plus listed versions 4.55-14.57-14.59-14.60-14.61-1 Show 11 moreShow less4.62-14.63-14.64-14.65-14.66-14.67-14.68-14.70-14.71-14.72-15.02-1 |
None known |
libcgi-pm-perlDebian:13 |
All versions, plus listed versions 4.68-14.70-14.71-14.72-15.02-1 |
None known |
libcgi-pm-perlDebian:14 |
All versions, plus listed versions 4.68-14.70-14.71-14.72-15.02-1 |
None known |
libcgi-pm-perlUbuntu:16.04:LTS |
All versions, plus listed versions 4.21-14.22-14.25-14.26-1 |
None known |
libcgi-pm-perlUbuntu:18.04:LTS |
All versions, plus listed versions 4.36-14.37-14.38-1 |
None known |
libcgi-pm-perlUbuntu:20.04:LTS |
All versions, plus listed versions 4.44-14.45-14.46-1 |
None known |
libcgi-pm-perlUbuntu:22.04:LTS |
All versions, plus listed versions 4.51-14.53-14.54-1 |
None known |
libcgi-pm-perlUbuntu:24.04:LTS |
All versions, plus listed versions 4.57-14.60-14.61-14.62-14.63-1 |
None known |
libcgi-pm-perlUbuntu:26.10 |
All versions, plus listed versions 4.71-1build14.72-1 |
None known |
libcgi-pm-perlUbuntu:26.04:LTS |
All versions, plus listed versions 4.68-14.71-14.71-1build1 |
None known |
perl-CGIopenSUSE:Tumbleweed From an advisory covering 20 CVEs |
before 5.20.0-1.1 | 5.20.0-1.1 |
History
| Recorded | Changed | Sources |
|---|---|---|
| affected, aliases, references | OSV | |
| affected, aliases, references | OSV | |
| affected, aliases, references | NVD, OSV | |
| references | OSV | |
| affected, aliases, references | OSV | |
| aliases | EUVD, NVD | |
| first indexed | CVE List, GitHub Advisories |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2026-120648 is a vulnerability with no CVSS score yet in perl-CGI, published November 3, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.21%, the 11th percentile. No source names a fixed version.
References
metacpan.org/release/LEEJO/CGI-4.72/source/lib/CGI.pm
github.com/leejo/CGI.pm/commit/6a17eb84703d84bca86b0079f5870ca9c921ffd4.patch
nvd.nist.gov/vuln/detail/CVE-2026-120648
cpan.org/modules
Show 27 moreShow less
security-tracker.debian.org/tracker/CVE-2026-120648
ubuntu.com/security/CVE-2026-120648
cve.org/CVERecord?id=CVE-2026-120648
lists.security.metacpan.org/cve-announce/msg/44875015
suse.com/security/cve/CVE-2026-120631