VulnSocial

CVE-2021-20086PoC(jquery-bbq_project / jquery-bbq)

LOWCVSS 8.8 · HIGH

Exploit discussion active in current signal (1 latest mentions)

Immediate actions

  • Hunt for exploitation attempts and persistence artifacts
  • Increase monitoring for publicly documented tradecraft
  • Track advisory updates for patch or workaround availability

Recommended action window: High priority (within 72h)

NVD description

Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution') in jquery-bbq 1.2.1 allows a malicious user to inject properties into Object.prototype.

jquery-bbq_project CVEsBack to dashboard
1.5/ 10 priority

Sources & remediation

Exploit / PoC references
Other references
Weakness type (CWE)
CWE-1321

Priority

LOW

Exploitation

NONE

PoC

YES

Patch

NONE

Momentum

NONE

Are you affected?

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

  • jquery-bbq

Threat summary

  • Public PoC is present in monitored signal
  • 1 mentions across 1 observed day

What's happening

  • PoC mentioned or linked in 1 signal
  • Technical details provided in 1 signal
  • 1 total mentions across 1 day

Affected systems

Vendors
jquery-bbq_project
Products
jquery-bbq

1 version affected across 1 product

Deep dive

Activity timeline1 mentions / 1d
00111Mentions · 2026-06-17: 1PoC Mentioned / Linked · 2026-06-17: 1Technical Details · 2026-06-17: 106-17
Signal classification1 categories
PoC
1100.0%
Referenced assets1 URL
By indicator
Full discourse1 post
  • hiddendomy@IamGokulesh
    PoC

    Prototype Pollution on jQuery Leads to XSS. Payload in Image XSS Exploit on CVE-2021-20086 https://security.snyk.io/vuln/SNYK-JS-JQUERYBBQ-1255644 #xss #nuclei #bugbounty #appsec #secops #applicationsecurity https://t.co/04UNgI2NnK

    Post summary

    The tweet announces a prototype‑pollution vulnerability in jQuery (CVE‑2021‑20086) that is exploitable via XSS, with a payload image linked as proof of concept. No active exploitation or patch details are provided.

    2110116605.7K
    423 followersView on X
CPE platform detail1 entries

1 of 1 entries

PartVendorProductVersionTarget SWTarget HW
Appjquery-bbq_projectjquery-bbq1.2.1--

Explore more

Back to dashboardjquery-bbq_project CVEsjquery-bbq vulnerabilities