CVE-2023-51371 | WordPress Bit Assist Plugin <= 1.1.9 is vulnerable to Cross Site Scripting (XSS)

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Bit Assist Chat Widget: WhatsApp Chat, Facebook Messenger Chat, Telegram Chat Bubble, Line Messenger, Live Chat Support Chat Button, WeChat, SMS, Call Button, Customer Support Button with floating Chat Widget allows Stored XSS.This issue affects Chat Widget: WhatsApp Chat, Facebook Messenger Chat, Telegram Chat Bubble, Line Messenger, Live Chat Support Chat Button, WeChat, SMS, Call Button, Customer Support Button with floating Chat Widget: from n/a through 1.1.9.

Published: 2023-12-29 Last update: 2026-04-28 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2023-51371 is rated Low Risk (32.3/100): CVSS Medium severity, with low exploitation likelihood (EPSS 0.33%). Monitor for updates and reassess as exploit intelligence or EPSS changes.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2023-51371

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-15 0.12% 0.33% +0.21%
2 2025-11-21 0.17% 0.12% -0.05%
3 2025-11-18 — 0.17% —

Full EPSS history (10 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2023-51371

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
5.9 3.1 MEDIUM
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:L Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:H)
They need powerful rights—admin, root, or similar—before this pays off.
User interaction (UI:R)
A real person has to do something—click, install, enable—otherwise it doesn’t land.
Scope (S:C)
Breaking this can reach past the original component and bite other resources—bigger blast radius.
Confidentiality (C:L)
Some sensitive info could get out, but not a total data dump.
Integrity (I:L)
Attackers could change some data, but it’s limited—not everything goes.
Availability (A:L)
Might cause slowdowns, glitches, or partial disruption—not a full brick.
 1.7 3.7 [email protected]
4.8 3.1 MEDIUM
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:H)
They need powerful rights—admin, root, or similar—before this pays off.
User interaction (UI:R)
A real person has to do something—click, install, enable—otherwise it doesn’t land.
Scope (S:C)
Breaking this can reach past the original component and bite other resources—bigger blast radius.
Confidentiality (C:L)
Some sensitive info could get out, but not a total data dump.
Integrity (I:L)
Attackers could change some data, but it’s limited—not everything goes.
Availability (A:N)
Service keeps running; no real outage angle.
 1.7 2.7 [email protected]

Weakness enumeration for CVE-2023-51371

GitHub Security Advisory for CVE-2023-51371

GHSA-v2xm-vc3c-5672 · Severity: medium — Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')...

Affected software / configurations for CVE-2023-51371

Vendor Product Version Raw CPE
bitapps bit_assist <= 1.1.9 cpe:2.3:a:bitapps:bit_assist:*:*:*:*:*:wordpress:*:*

References for CVE-2023-51371

cvelogic Threat Intelligence