VulnerabilityPublished 2 Jan 2026

CVE-2025-13153: Logo Slider (WordPress plugin) · Cross-Site Scripting (XSS)

Affects Logo Slider (WordPress plugin)Source CVE Database V5

Not known to be exploited · CVSS 6.1 Medium · fixed in 4.9.0 : update Logo Slider (WordPress plugin) when convenient.

Data as of 26 Oct 2026, 15:59 UTC

CVSS 3.1 base score

6.1Medium

How severe the flaw is on the 0–10 CVSS scale.

EPSS: 0.2% chance of exploitation in 30 days – higher than 11% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
Patch: Available – fixed in 4.9.0

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

Attack Vector: Network
Attack Complexity: Low
Privileges Required: None
User Interaction: Required
Scope: Changed
Confidentiality: Low
Integrity: Low
Availability: None

Bold values are the worst case: easiest to exploit or largest impact.

Attack Vector: Network: The vulnerable component is bound to the network stack and the set of possible attackers extends beyond the other options listed, up to and including the entire Internet. Such a vulnerability is often termed 'remotely exploitable' and can be thought of as an attack being exploitable at the protocol level one or more network hops away (e.g., across one or more routers).
Attack Complexity: Low: Specialized access conditions or extenuating circumstances do not exist. An attacker can expect repeatable success against the vulnerable component.
Privileges Required: None: The attacker is unauthorized prior to attack, and therefore does not require any access to settings or files to carry out an attack.
User Interaction: Required: Successful exploitation of this vulnerability requires a user to take some action before the vulnerability can be exploited.
Scope: Changed: An exploited vulnerability can affect resources beyond the security scope managed by the security authority of the vulnerable component. In this case, the vulnerable component and the impacted component are different and managed by different security authorities.
Confidentiality: Low: There is some loss of confidentiality. Access to some restricted information is obtained, but the attacker does not have control over what information is obtained, or the amount or kind of loss is limited. The information disclosure does not cause a direct, serious loss to the impacted component.
Integrity: Low: Modification of data is possible, but the attacker does not have control over the consequence of a modification, or the amount of modification is limited. The data modification does not have a direct, serious impact on the impacted component.
Availability: None: There is no impact to availability within the impacted component.

Definitions: FIRST CVSS v3.1 specification.

Exploitation evidence

Disclosed: evidence found.
CVE published 2 Jan 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponised: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 26 Oct 2026.

Disclosed: The CVE record is public on cve.org. Its publication is t = 0.
Detectable: A public nuclei template can find exposed instances, for defenders and attackers alike.
Weaponised: Public exploit code exists in Metasploit or Exploit-DB, or CISA SSVC or the CVSS exploit maturity reports a public proof of concept.
Exploited in the wild: CISA KEV lists it, CISA SSVC rates exploitation active, or a source reports attacks.
Observed by OffSeq Mirage: OffSeq Mirage honeypot sensors recorded attack traffic for this CVE, or found exposed hosts without attack traffic.

Moments are spaced evenly, not to scale; a dashed line marks a gap of six months or more. Deltas count from t = 0. Sources that give only a date (CISA KEV, Exploit-DB, or a time of exactly 00:00Z) read “same day” rather than hours. Metasploit modules carry the flaw’s disclosure date, not their release date, and nuclei templates carry no date, so both appear above but not on the timeline.

What to do

Affected software

Product	Affected	Fixed in
Logo Slider	Affected =0	Fixed in–

AI-suggested

Immediately verify the version of the Logo Slider plugin installed on all WordPress sites and plan to upgrade to version 4.9.0 or later once the patch is released.
If you cannot patch yet, restrict contributor and higher roles from accessing the slider configuration dashboard or remove the plugin if feasible.
Implement strict role-based access controls (RBAC) to minimize the number of users with contributor or higher privileges.
Employ Web Application Firewalls (WAFs) with rules to detect and block common XSS payloads targeting WordPress admin pages.
Monitor WordPress dashboard logs for unusual activity or unexpected changes in slider configurations.
Educate content contributors about the risks of injecting untrusted content and enforce input validation policies.
Regularly scan WordPress installations with vulnerability assessment tools to detect outdated plugins and known vulnerabilities.
Consider isolating administrative interfaces behind VPNs or IP whitelisting to reduce exposure.
Backup WordPress sites and databases frequently to enable quick recovery in case of compromise.
Follow WordPress security best practices, including timely updates of core, themes, and plugins.

Description

The Logo Slider WordPress plugin before 4.9.0 does not validate and escape some of its slider options before outputting them back in the dashboard, which could allow users with the contributor role and above to perform Stored Cross-Site Scripting attacks.

Impact

For European organizations, this vulnerability poses a moderate risk primarily to the confidentiality and integrity of WordPress administrative environments. Exploitation could allow attackers with contributor-level access to execute malicious scripts that compromise administrator sessions, potentially leading to unauthorized content changes, data leakage, or further privilege escalation. Since many European companies use WordPress for corporate websites, marketing, and e-commerce, the presence of this vulnerability could facilitate targeted attacks against their web infrastructure. The impact is heightened in organizations with multiple contributors or editors who have dashboard access, as these roles can be leveraged to inject malicious payloads. While there is no direct availability impact, the indirect consequences of compromised administrative accounts could lead to website defacement, data breaches, or reputational damage. The lack of known exploits in the wild suggests a window of opportunity for defenders to patch and mitigate before widespread attacks occur. However, the medium severity score and the scope change indicate that the vulnerability should be taken seriously, especially in sectors with sensitive customer data or critical web presence. Compliance with GDPR and other data protection regulations in Europe may also be impacted if personal data is exposed through exploitation of this vulnerability.

CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') (opens in a new tab)
Base weaknessLikelihood of exploit: HighCWE Top 25 (2025): #1OWASP Top 10 A05:2025: Injection (opens in a new tab)
The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.
Architecture and Design · Libraries or Frameworks
Use a vetted library or framework that does not allow this weakness to occur or provides constructs that make this weakness easier to avoid.
Implementation · Architecture and Design
Understand the context in which your data will be used and the encoding that will be expected. This is especially important when transmitting data between different components, or when generating outputs that can contain multiple encodings at the same time, such as web pages or multi-part mail messages.
Architecture and Design · Implementation · Attack Surface Reduction
Understand all the potential areas where untrusted inputs can enter your software: parameters or arguments, cookies, anything read from the network, environment variables, reverse DNS lookups, query results, request headers, URL components, e-mail, files, filenames, databases, and any external systems that provide…
OWASP Cheat Sheets
Cross Site Scripting Prevention (opens in a new tab)
DOM based XSS Prevention (opens in a new tab)
Injection Prevention (opens in a new tab)
Abuse Case (opens in a new tab)
Deserialization (opens in a new tab)
OWASP ASVS 4.0.3
V5.3.3 (opens in a new tab)
V1.5.1 (opens in a new tab)
Attack patterns
XSS Using MIME Type Mismatch (opens in a new tab)
DOM-Based XSS (opens in a new tab)
Reflected XSS (opens in a new tab)
Stored XSS (opens in a new tab)
Cross-Site Scripting (XSS) (opens in a new tab)
From MITRE CWE, MITRE CAPEC and OWASP (Top 10, OpenCRE).

References

wpscan.com/vulnerability/0ed67947-228d-420c-8d28-e0d7326eb101/ (opens in a new tab)

Community reviews

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Exploitation evidence

What to do

Affected software

Description

AI analysisMachine-generated, updated 9 Jan 2026, 11:07 UTC

WeaknessesCWE-79

Technical details

References

Community reviews

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