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CVE Record

CVE-2026-1135: itsourcecode Society Management System activity.php cross site scripting

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.

MediumCVSS 5.3Not KEV-listedUpdated
Glexia's TakeAutomated analysismoderate

Security readout for executives and security teams

Plain-English summary

CVE-2026-1135 is a cross-site scripting issue in itsourcecode Society Management System 1.0. A malicious Title value in the admin activity page could affect a user who views it. This is not rated critical, but it can undermine trust in the application and support phishing, session abuse, or unauthorized changes depending on context.

Executive priority

Prioritize if this system is internet-accessible or used by privileged staff. The business risk is moderate: public exploit information exists, but confirmed active exploitation and vendor remediation details are not provided in the sources.

Technical view

The reported flaw affects /admin/activity.php in itsourcecode Society Management System 1.0. Manipulation of the Title argument results in XSS. CVSS 4.0 score is 5.3, with network attack vector, low complexity, no privileges required, and user interaction required. Sources also reference public exploit availability.

Likely exposure

Exposure is limited to organizations running itsourcecode Society Management System 1.0. Risk is higher if the admin activity function is reachable from untrusted networks or if privileged users routinely view activity records containing user-controlled titles.

Exploitation context

The source bundle says an exploit has been publicly released. However, CISA KEV is false and no provided source confirms active exploitation in the wild. Treat this as publicly known and reproducible, not confirmed as actively exploited.

Researcher notes

Evidence identifies XSS in the Title argument of /admin/activity.php for version 1.0. The CVE lists CWE-79 and CWE-94, though the described behavior is XSS. No official patch details are included in the provided sources.

Mitigation direction

  • Identify whether Society Management System 1.0 is deployed.
  • Check vendor or project channels for an update or official workaround.
  • Restrict administrative interface access to trusted users and networks.
  • Apply input validation and output encoding where code is maintainable.
  • Monitor administrative activity records for suspicious Title values.

Validation and detection

  • Confirm product name, version, and affected admin file in inventory.
  • Compare internal exposure against CVE and VulDB records.
  • In staging, verify Title values are safely encoded when rendered.
  • Review recent admin activity entries for suspicious submitted titles.
  • Check whether public-facing access to admin pages is blocked.
Prepared
Confidence
medium
Sources
7

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

Conservative CVE-to-ATT&CK context

These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.

ATT&CK lookup starting points

Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.

cwe · medium confidence lookup

CWE-79: User-session and phishing behavior lookup

Client-side and session-facing weaknesses should be reviewed alongside initial-access and user-execution behaviors. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.

Open ATT&CK lookup
cwe · medium confidence lookup

CWE-94: Code execution behavior lookup

Code execution and unsafe deserialization weaknesses often justify reviewing execution behavior and process telemetry. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.

Open ATT&CK lookup
cve · low confidence lookup

CVE-2026-1135 mapping review

Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.

Open ATT&CK lookup
Vulnerability profileCVE Program record
Severity
Medium
CVSS
5.3 (4.0)
Known Exploited
No
Published

Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:P

Official CVE source material

CNA and ADP enrichment extracted from CVE v5

These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.

1CVSS vectors
0Timeline events
0ADP providers
6Source links

CVSS vector scores

1 official score

We collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.

ScoreVersionSeverityVectorExploitImpactSource
5.3CVSS 4.0MediumCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:P——Primary CVE score

Vulnerability scoring details

Base CVSS 4.0 score

5.3Medium
CVSS 4.0 vector shape for CVE-2026-1135Attack VectorAttack ComplexityAttack RequirementsPrivileges RequiredUser InteractionVS ConfidentialityVS IntegrityVS AvailabilitySS ConfidentialitySS IntegritySS Availability

Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:P

Attack Vector
NetworkAdjacentLocalPhysical
Attack Complexity
LowHigh
Attack Requirements
NonePresent
Privileges Required
NoneLowHigh
User Interaction
NonePassiveActive
VS Confidentiality
HighLowNone
VS Integrity
HighLowNone
VS Availability
HighLowNone
SS Confidentiality
HighLowNone
SS Integrity
HighLowNone
SS Availability
HighLowNone

Source materials

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
itsourcecodeSociety Management System1.0Listed
Weakness

CWE details

CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.

CWE-79 · source CWE mapping

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.

CWE-94 · source CWE mapping

Improper Control of Generation of Code ('Code Injection')

Improper Control of Generation of Code ('Code Injection') represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.