CVE-2021-29029Public exploitNetwork attack vector

Browser script execution via crafted URI path

Published Mar 24, 2021 · Updated Aug 3, 2024

Reflected cross-site scripting in Bitweaver 3.1.0 allows remote authenticated users to run JavaScript via edit_personal_page.php. The endpoint returns a crafted trailing URI path containing HTML and script markup without neutralizing the executable content. The attacker needs administrative access, and a victim must load the crafted URL; execution occurs in the victim's Bitweaver origin and can expose session cookies or alter displayed content.

CVSS severity4.8
Medium
EPSS probability0.79%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Reflected cross-site scripting in Bitweaver 3.1.0 allows remote authenticated users to run JavaScript via edit_personal_page.php. The endpoint returns a crafted trailing URI path containing HTML and script markup without neutralizing the executable content. The attacker needs administrative access, and a victim must load the crafted URL; execution occurs in the victim's Bitweaver origin and can expose session cookies or alter displayed content.

The record

CVE
CVE-2021-29029
Published
Mar 24, 2021
Updated
Aug 3, 2024
Vendor
Unknown vendor
Product
Unknown product
Classifications
CWE-79, T1204.001
Attack vector
network
Privileges
admin

Timeline

How it unfolded

  1. Mar 24, 2021CVE 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?

Affected buildAffected product and version details are unavailable.

What conditions does exploitation require?

Attack vectornetwork
Required privilegesadmin

What is affected?

Affected products and versions are unavailable in this record.

Published CVSS scores

3.5NIST NVDAV:N/AC:M/Au:S/C:N/I:P/A:N
4.8NIST NVDCVSS:3.1/AV:N/AC:L/PR:H/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
Privilegesadmin
Known exploitationUnconfirmed
Public exploitPublished

Weakness, pattern, technique

CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
T1204.001User Execution: Malicious Link

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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