6.5

CVE-2023-39988: WordPress WxSync Plugin <= 2.7.23 is vulnerable to Cross Site Scripting (XSS)

Modified
Published 04-09-2023Last modified 28-04-2026

Vulnerability summary

CVE-2023-39988 is a medium (CVSS 6.5) vulnerability in 标准云(std.cloud) wxsync. EPSS estimates a 0.36% chance of exploitation in the next 30 days, higher than 29.9% of scored vulnerabilities. Fixed in 2.8.1.

Priority
Routine

Not severe (CVSS 6.5, network access); no exploitation reported by the 5 checked sources

Source freshness unavailable

How is this decided?
CVSS score
6.5/10
010
Medium · v3.1 (CVE.org)
EPSS score
0.36%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits0No public exploits recorded

Timeline

  1. 04-09-2023
    PublishedVulnerability first disclosed.
  2. 28-04-2026
    Last modifiedVulnerability information updated.

Description

Auth. (contributor+) Stored Cross-Site Scripting (XSS) vulnerability in 标准云(std.Cloud) WxSync plugin <= 2.7.23 versions.

CVSS metrics

3 scores · 3 sources · 1 version

EPSS trend

Probability

0.36%

Chance of exploitation in the next 30 days

Percentile

30%

Versus all other CVEs

30-day change

No change 0.00 pp

From 0.36% on 04-10-2026

04-10-202603-11-2026

Known exploited

Compare KEV catalogs
CISA KEV

Not in the CISA KEV catalog.

ENISA CNW

Not in the ENISA CNW catalog.

CIRCL

Not in the CIRCL catalog.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Version check

Known conditions: network-reachable, low-privilege account, user interaction (CVSS vector). Other conditions: not stated in public data.

Tencent1 product
Wordpress1 product
  • wxsync≤ 2.8.0 (fixed in 2.8.1)
标准云(std.cloud)1 product

3 vendors · 3 products

References

2 links