VulnSocial

CVE-2026-21788Disclosure(hcltech / connections)

LOWCVSS 5.4 · MEDIUM

Signal is active with 1 mentions in latest observed window

Immediate actions

  • Track advisory updates for patch or workaround availability

Recommended action window: Monitor and triage in normal cycle

NVD description

HCL Connections is vulnerable to a cross-site scripting attack where an attacker may leverage this issue to execute arbitrary script code in the browser of an unsuspecting user which leads to executing malicious script code.  This may allow the attacker steal cookie-based authentication credentials and comprise user's account then launch other attacks.

hcltech CVEsBack to dashboard
0.0/ 10 priority

Sources & remediation

Vendor / third-party advisories
Weakness type (CWE)
CWE-79

Priority

LOW

Exploitation

NONE

PoC

NONE

Patch

NONE

Momentum

STABLE

Are you affected?

If you run products in this scope, you should treat this CVE as relevant to your environment.

  • connections

Threat summary

  • 2 mentions across 2 observed days
  • Momentum state: stable

What's happening

  • Technical details provided in 2 signals
  • Disclosure: 2 classified signals
  • Peaked 1d ago at 1 mentions (2026-03-19); latest day: 1
  • 2 total mentions across 2 days

Affected systems

Vendors
hcltech
Products
connections

1 version affected across 1 product

Deep dive

Activity timeline2 mentions / 2d
00111Mentions · 2026-03-19: 1Mentions · 2026-03-23: 1Technical Details · 2026-03-19: 1Technical Details · 2026-03-23: 103-1903-23
Signal classification1 categories
Disclosure
2100.0%
Referenced assets2 URLs
Full discourse2 posts
  • CVE@CVEnew
    Disclosure

    CVE-2026-21788 HCL Connections is vulnerable to a cross-site scripting attack where an attacker may leverage this issue to execute arbitrary script code in the browser of an unsuspe… https://www.cve.org/CVERecord?id=CVE-2026-21788

    Post summary

    The post announces that HCL Connections is affected by CVE‑2026‑21788, a cross‑site scripting flaw that allows arbitrary client‑side script execution.

    00000124
    56.8K followersView on X
  • Vulmon Vulnerability Feed@VulmonFeeds
    Disclosure

    CVE-2026-21788 Cross-Site Scripting Vulnerability in HCL Connections Enabling Arbitrary Script Execution https://vulmon.com/vulnerabilitydetails?qid=CVE-2026-21788

    Post summary

    The entry announces CVE‑2026‑21788, a cross‑site scripting flaw in HCL Connections that could allow arbitrary script execution, with only a reference to a vulnerability database and no further details.

    0000041
    4.0K followersView on X
CPE platform detail13 entries

13 of 13 entries

PartVendorProductVersionTarget SWTarget HW
Apphcltechconnections8.0--
Apphcltechconnections8.0--
Apphcltechconnections8.0--
Apphcltechconnections8.0--
Apphcltechconnections8.0--
Apphcltechconnections8.0--
Apphcltechconnections8.0--
Apphcltechconnections8.0--
Apphcltechconnections8.0--
Apphcltechconnections8.0--
Apphcltechconnections8.0--
Apphcltechconnections8.0--
Apphcltechconnections8.0--

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