CVE-2026-91829High· 7.1▾ Twilight

The Subscribe to Comments WordPress plugin before 2.3.3 does not properly validate a parameter before reflecting it into a link target, allowing unauthenticated attackers to perform Reflected Cross-Site Scripting via a crafted URL agains…

▾ Twilight zone — High severity, or a signal on a lesser flaw

Depth score39/ 100 · Low

impact 39.1 · likelihood 0 · exploitation 0

⚡ Agent-ready:Raw markdown ↗JSON ↗

Proof of concept

Need a working PoC? Pro members can cast a request and our team develops one — it lands right here.

…

Published

Oct 11, 2026

Updated

Oct 13, 2026

CVSS

7.1

Vendor

—

Product

Subscribe to Comments

CWE

CWE-79

Depth score

39 · Low

EPSS

0.16% · p6

Platforms

—

Source

NVD

Vector

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

CISA SSVC

decided 2026-10-11

Exploitation: none
Automatable: no
Technical impact: partial

Stakeholder-Specific Vulnerability Categorization from CISA's ADP record at CVE.org: whether exploitation is observed, whether an attack can be automated, and how much of the system is at stake.

EPSS history

Exploit-prediction probability, daily snapshots since Oct 11.

0.2% → 0.2%

Timeline

Disclosure to exploitation, from the record and what we observed since indexing it.

5 events · 2 days

Oct 11, 2026Published
Disclosed via NVD
Oct 11, 2026EPSS first tracked
0.2%
Oct 11, 2026CVSS changed
— → 7.1
Oct 11, 2026Severity changed
none → high
Oct 13, 2026Record revised
Last analysed / modified upstream

CWE-79 #nvd #cve.org

Affected

subscribe_to_comments < 2.3.3

Full technical detail▾

Overview

Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.

References

[email protected] — https://wpscan.com/vulnerability/1ed0314d-9871-4914-bb9c-ff894ea4c400/

Change history

Field changes observed since this record was first indexed.

Oct 11, 2026CVSS — → 7.1
Oct 11, 2026Severity none → high

Related vulnerabilities

Connected by shared product, vendor, weakness, or advisory.

#nvd#cve.org

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CVE-2026-91829High· 7.1▾ Twilight

The Subscribe to Comments WordPress plugin before 2.3.3 does not properly validate a parameter before reflecting it into a link target, allowing unauthenticated attackers to perform Reflected Cross-Site Scripting via a crafted URL agains…

▾ Twilight zone — High severity, or a signal on a lesser flaw

Depth score39/ 100 · Low

impact 39.1 · likelihood 0 · exploitation 0

⚡ Agent-ready:Raw markdown ↗JSON ↗

Proof of concept

Need a working PoC? Pro members can cast a request and our team develops one — it lands right here.

…

Published

Oct 11, 2026

Updated

Oct 13, 2026

CVSS

7.1

Vendor

—

Product

Subscribe to Comments

CWE

CWE-79

Depth score

39 · Low

EPSS

0.16% · p6

Platforms

—

Source

NVD

Vector

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

CISA SSVC

decided 2026-10-11

Exploitation: none
Automatable: no
Technical impact: partial

Stakeholder-Specific Vulnerability Categorization from CISA's ADP record at CVE.org: whether exploitation is observed, whether an attack can be automated, and how much of the system is at stake.

EPSS history

Exploit-prediction probability, daily snapshots since Oct 11.

0.2% → 0.2%

Timeline

Disclosure to exploitation, from the record and what we observed since indexing it.

5 events · 2 days

Oct 11, 2026Published
Disclosed via NVD
Oct 11, 2026EPSS first tracked
0.2%
Oct 11, 2026CVSS changed
— → 7.1
Oct 11, 2026Severity changed
none → high
Oct 13, 2026Record revised
Last analysed / modified upstream

CWE-79 #nvd #cve.org

Affected

subscribe_to_comments < 2.3.3

Full technical detail▾

Overview

Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.

References

[email protected] — https://wpscan.com/vulnerability/1ed0314d-9871-4914-bb9c-ff894ea4c400/

Change history

Field changes observed since this record was first indexed.

Oct 11, 2026CVSS — → 7.1
Oct 11, 2026Severity none → high

Related vulnerabilities

Connected by shared product, vendor, weakness, or advisory.

#nvd#cve.org