CVE-2026-1135: A security flaw has been discovered in itsourcecode Society Management System 1.0

Routine

MEDIUM 4.3DOWNGRADE

CVE-2026-1135 is a medium-severity flaw (CVSS 4.3) affecting society management system. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

A security flaw has been discovered in itsourcecode Society Management System 1.0. This impacts an unknown function of the file /admin/activity.php. The manipulation of the argument Title results in cross site scripting. The attack may be launched remotely. The exploit has been released to the public and may be used for attacks.

Why this priority

Public exploit reference

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	4.3 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	Required
EPSS exploit chance	0.4% (top 71%)
CISA exploited list	No
Weakness	CWE-79, CWE-94
Published	2026-01-19
Last modified	2026-06-17

Publisher (CNA): VulDB · Vendor: angeljudesuarez

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-01-19 04:15 UTCPublished CVE record published
2026-06-17 10:15 UTCUpdated Record last modified

angeljudesuarez society management system DOWNGRADE

Affected: 1.0

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.0

1. Check installed version

apt-cache policy society-management-system || rpm -q society-management-system || society-management-system --version

2. No fixed release: DOWNGRADE to a release before 1.0 (Debian / Ubuntu)

apt-cache madison society-management-system sudo apt install society-management-system=<VERSION_BEFORE_1.0> sudo apt-mark hold society-management-system

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list society-management-system sudo dnf downgrade society-management-system-<VERSION_BEFORE_1.0> sudo dnf versionlock add society-management-system

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2026-1135?

society management system: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2026-1135 being exploited?

CVE-2026-1135 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2026-1135 affect?

CVE-2026-1135 affects society management system. Severity is medium (CVSS 4.3). A security flaw has been discovered in itsourcecode Society Management System 1.0. This impacts an unknown function of the file /admin/activity.php. The manipulation of the argument Title results in cross site scripting. The attack may be l

How urgent is CVE-2026-1135?

Priority 27/100. Public exploit reference

Software pages

PHP vulnerabilities

Related CVEs

CVE-2026-3410 HIGH 7.3 DOWNGRADE A weakness has been identified in itsourcecode Society Management System 1.0
CVE-2026-2117 HIGH 7.3 DOWNGRADE A vulnerability was found in itsourcecode Society Management System 1.0
CVE-2026-2116 HIGH 7.3 DOWNGRADE A vulnerability has been found in itsourcecode Society Management System 1.0
CVE-2026-2115 HIGH 7.3 DOWNGRADE A flaw has been found in itsourcecode Society Management System 1.0
CVE-2026-2114 HIGH 7.3 DOWNGRADE A vulnerability was detected in itsourcecode Society Management System 1.0

References

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