How severe is CVE-2019-17550?

CVE-2019-17550 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2019-17550 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (68th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2019-17550?

CVE-2019-17550 affects Adenion Blog2social. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2019-17550?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2019-17550 published?

CVE-2019-17550 was published on 2019-11-13 and last updated on 2026-06-17.

CVE-2019-17550

CVE-2019-17550 is a medium-severity vulnerability in Adenion Blog2social with a CVSS 3.x base score of 6.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-79.

Key facts

Severity: Medium (CVSS 3.x base score 6.1)
CVSS v2: 4.3
EPSS exploit prediction: 1% (68th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Adenion Blog2social
Published: 2019-11-13
Last modified: 2026-06-17

Description

The Blog2Social plugin before 5.9.0 for WordPress is affected by: Cross Site Scripting (XSS). The impact is: Allows an attacker to execute arbitrary HTML and JavaScript code via the b2s_id parameter. The component is: views/b2s/post.calendar.php. The attack vector is: When the Administrator is logged in, a reflected XSS may execute upon a click on a malicious URL.

Frequently asked questions

What is CVE-2019-17550?: The Blog2Social plugin before 5.9.0 for WordPress is affected by: Cross Site Scripting (XSS). The impact is: Allows an attacker to execute arbitrary HTML and JavaScript code via the b2s_id parameter. The component is: views/b2s/post.calendar.php. The attack vector is: When the Administrator is logged in, a reflected XSS may execute upon a click on a malicious URL.
How severe is CVE-2019-17550?: CVE-2019-17550 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2019-17550 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (68th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-17550?: CVE-2019-17550 affects Adenion Blog2social. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2019-17550?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2019-17550 published?: CVE-2019-17550 was published on 2019-11-13 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:adenion:blog2social:*:*:*:*:*:wordpress:*:*

More vulnerabilities in Adenion Blog2social

CVE-2024-3549 — Critical (CVSS 9.9): The Blog2Social: Social Media Auto Post & Scheduler plugin for WordPress is vulnerable to SQL Injection via the…
CVE-2019-13572 — Critical (CVSS 9.8): The Adenion Blog2Social plugin through 5.5.0 for WordPress allows SQL Injection.
CVE-2022-3246 — High (CVSS 8.8): The Blog2Social: Social Media Auto Post & Scheduler WordPress plugin before 6.9.10 does not properly sanitise and…
CVE-2021-24137 — High (CVSS 8.8): Unvalidated input in the Blog2Social WordPress plugin, versions before 6.3.1, lead to SQL Injection in the Re-Share…
CVE-2023-40554 — High (CVSS 7.1): Unauth. Reflected Cross-Site Scripting (XSS) vulnerability in Blog2Social, Adenion Blog2Social: Social Media Auto Post…
CVE-2022-3247 — Medium (CVSS 6.5): The Blog2Social: Social Media Auto Post & Scheduler WordPress plugin before 6.9.10 does not have authorisation in an…

All CVEs affecting Adenion Blog2social →

Other CWE-79 (Cross-site Scripting (XSS)) vulnerabilities

CVE-2025-49410 — Critical (CVSS 10.0): Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Imran Emu TC…
CVE-2024-47875 — Critical (CVSS 10.0): DOMPurify is a DOM-only, super-fast, uber-tolerant XSS sanitizer for HTML, MathML and SVG. DOMpurify was vulnerable to…
CVE-2024-6886 — Critical (CVSS 10.0): Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Gitea…
CVE-2023-45144 — Critical (CVSS 10.0): com.xwiki.identity-oauth:identity-oauth-ui is a package to aid in building identity and service providers based on…
CVE-2023-45138 — Critical (CVSS 10.0): Change Request is an pplication allowing users to request changes on a wiki without publishing the changes directly.…
CVE-2022-4361 — Critical (CVSS 10.0): Keycloak, an open-source identity and access management solution, has a cross-site scripting (XSS) vulnerability in the…

Browse all CWE-79 (Cross-site Scripting (XSS)) vulnerabilities →