CVE-2025-26551Network attack vector

Stored XSS via CSRF-induced privileged action

Published Feb 13, 2025 · Updated May 11, 2026

Stored XSS in Twitter Bootstrap Collapse aka Accordian Shortcode 1.0.4 and earlier allows remote attackers to inject scripts via CSRF. The public advisory does not identify the request handler, affected parameter, or output sink that stores and renders the untrusted input. Exploitation requires a privileged user to perform an attacker-induced action, after which the stored script executes in a viewer's WordPress session.

CVSS severity7.1
High
EPSS probability0.25%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Stored XSS in Twitter Bootstrap Collapse aka Accordian Shortcode 1.0.4 and earlier allows remote attackers to inject scripts via CSRF. The public advisory does not identify the request handler, affected parameter, or output sink that stores and renders the untrusted input. Exploitation requires a privileged user to perform an attacker-induced action, after which the stored script executes in a viewer's WordPress session.

The record

CVE
CVE-2025-26551
Published
Feb 13, 2025
Updated
May 11, 2026
Vendor
Mohsin Rasool
Product
Twitter Bootstrap Collapse aka Accordian Shortcode
Classifications
CWE-79, CAPEC-592, T1189
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Feb 13, 2025CVE publishedPublication date reported by the CVE source.
  2. May 11, 2026Record 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=0 <=1.0.4

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Mohsin Rasool · Twitter Bootstrap Collapse aka Accordian Shortcodeversion=0 <=1.0.4

Published CVSS scores

7.1PatchstackCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L

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 exploitUnconfirmed

Weakness, pattern, technique

CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
CAPEC-592Stored XSS
T1189Drive-by Compromise

Public exploit references

No public exploit references are available in this record.

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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