CVE-2021-24987Public exploitNetwork attack vector

Browser script execution via unescaped AJAX parameter

Published Apr 11, 2022 · Updated Aug 3, 2024

Reflected XSS in Rajat Varlani Super Socializer before 7.13.30 allows remote attackers to execute script via a crafted AJAX request. The the_champ_sharing_count AJAX action returns the unsanitized urls parameter in its response without context-appropriate escaping. A victim must open the crafted request; the script then runs in the site origin and can read or modify data available to that browser session.

CVSS severity6.1
Medium
EPSS probability1.94%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Reflected XSS in Rajat Varlani Super Socializer before 7.13.30 allows remote attackers to execute script via a crafted AJAX request. The the_champ_sharing_count AJAX action returns the unsanitized urls parameter in its response without context-appropriate escaping. A victim must open the crafted request; the script then runs in the site origin and can read or modify data available to that browser session.

The record

CVE
CVE-2021-24987
Published
Apr 11, 2022
Updated
Aug 3, 2024
Vendor
Rajat Varlani
Product
Super Socializer
Classifications
CWE-79, T1189
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Apr 11, 2022CVE publishedPublication date reported by the CVE source.
  2. Aug 3, 2024Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=7.13.30 <7.13.30

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Rajat Varlani · Super Socializerversion=7.13.30 <7.13.30

Published CVSS scores

4.3NVDAV:N/AC:M/Au:N/C:N/I:P/A:N
6.1NVDCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitPublished

Weakness, pattern, technique

CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
T1189Drive-by Compromise

Public exploit references

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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