Jetpack < 13.8, Boost < 3.4.8 - Contributor+ Stored XSS
The Jetpack WordPress plugin before 13.8, Jetpack Boost WordPress plugin before 3.4.8 use regexes in the Site Accelerator features when switching image URLs to their CDN counterpart. Unfortunately, some of them may match patterns it shouldn’t, ultimately making it possible for contributor and above users to perform Stored XSS attacks
- Published
- May 15, 2025
- Updated
- Jun 17, 2026
- EPSS
- 0.3% · 20th percentile
- CWE
- CWE-79
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Report tools
Action score
23
Monitor
Low priority for now.
- CVSS
- 23 / 40 · 5.9 / 10
- CISA KEV
- 0 / 30 · Not listed
- EPSS
- 0 / 30 · 0.3%
CISA SSVC decision
- Exploitation
- proof of concept
- Automatable
- no
- Technical impact
- partial
Vulnrichment: CISA's decision-tree inputs.
Affected systems
| Vendor | Product | CPE |
|---|---|---|
| automattic | jetpack | cpe:2.3:a:automattic:jetpack |
| automattic | jetpack boost | cpe:2.3:a:automattic:jetpack_boost |
Affected versions
NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.
- automattic jetpackbefore 13.8
- automattic jetpack boostbefore 3.4.8
Versions reported by the vendor
Affected version ranges reported by the assigning authority (WPScan). Independent of NVD's CPE analysis and usually ahead of it.
Unknown Jetpack
- before 13.8affected · semver
Unknown Jetpack Boost
- before 3.4.8affected · semver
Same product
automattic: all recordsOther highest-scoring records for the same primary product.
- CVE-2023-2996Jetpack < 12.1.1 - Author+ Arbitrary File Manipulation via API36Monitor
- CVE-2023-47788WordPress Jetpack plugin < 12.7 - Contributor+ Broken Access Control vulnerability35Monitor
- CVE-2024-10858Jetpack 13.0-14.0 - Unauthenticated DOM-XSS24Monitor
- CVE-2015-9359The Jetpack plugin before 3.4.3 for WordPress has XSS via add_query_arg() and remove_query_arg().24Monitor
- CVE-2016-10706The Jetpack plugin before 4.0.3 for WordPress has XSS via a crafted Vimeo link.24Monitor
- CVE-2016-10705The Jetpack plugin before 4.0.4 for WordPress has XSS via the Likes module.24Monitor
Remediation
Which version to upgrade to
Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.
| Product / package | Fixed version | Source |
|---|---|---|
| Unknown Jetpack | 13.8 | Vendor (CNA) |
| Unknown Jetpack Boost | 3.4.8 | Vendor (CNA) |
Exploit status
No known public exploit
No public exploit has been observed yet. That doesn't mean you're safe, only that the bar is a little higher.
Research context
For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.
Timeline
From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.
No dated events beyond publication.
FIRST EPSS daily score; only changes of 0.01 or more are recorded (step chart).
Patch and commit links
Commit, PR and diff links among the references. A starting point for patch-diffing and variant hunting; fixes, not exploits.
No commit or PR link among the references.
Credits
All researchersFinders, reporters and analysts named in the CNA record. Click a name for that researcher’s other records.
- Marc Montpasfinder
- WPScancoordinator
Variant candidates
Same product, same weakness class, within 18 months. If the patch missed the root cause, the sibling bug is here.
- CVE-2024-10858141 days apartJetpack 13.0-14.0 - Unauthenticated DOM-XSS24Monitor
- CVE-2024-4392366 days apartJetpack – WP Security, Backup, Speed, & Growth <= 13.3.1 - Authenticated (Contributor+) Stored Cross-Site Scripting via wpvideo Shortcode21Monitor
- CVE-2023-45050532 days apartWordPress Jetpack Plugin <= 12.8-a.1 is vulnerable to Cross Site Scripting (XSS)21Monitor
- CVE-2023-54332243 days apartJetpack 11.4 - Cross Site Scripting (XSS)20Monitor
Chain candidates
An authentication bypass and a privilege-requiring bug in the same product, published close together: combined they may become an unauthenticated path.
—
Bug bounty scope
The product’s vendor appears in a public program. Matched by name; verify the scope text in the program.
Technical details
Attack conditions
- Anyone who can reach it over the internet can trigger it.
- Administrator privileges are required.
- A user must open a link or visit a page.
- No special conditions are required; it is repeatable.
If successful
- Confidentiality
- low · data can be read
- Integrity
- low · data or configuration can be modified
- Availability
- low · the service can be disrupted
Impact can extend beyond the vulnerable component (scope changes).
- Attack vector
- Network
- Attack complexity
- Low
- Privileges required
- High
- User interaction
- Required
- Scope
- Changed
- Confidentiality impact
- Low
- Integrity impact
- Low
- Availability impact
- Low
Weakness class (CWE)
CWE-79 · Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')CVSS vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:L
nvd-secondary
Root cause
User content is inserted into the page as HTML. The browser interprets the content as code rather than data.
The bug in code
The whole CWE-79 classA representative example of this vulnerability class. Not the vendor's source code; it shows the faulty pattern and its fix.
Vulnerable
commentEl.innerHTML = comment.body;Fixed
commentEl.textContent = comment.body;Attack context
MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.
Attack patterns (CAPEC)
ATT&CK techniques
—
Noroxi analysis
No Noroxi analysis for this record yet
We don't hand-write analysis for all 385,000+ vulnerabilities; that wouldn't be honest. For notable, high-impact vulnerabilities our team writes the mechanism, detection and remediation steps.
We use this product, ask for helpChange log
- Fix✗ → ✓
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References
Vendor advisories and official records. Exploit/PoC links are deliberately left out.